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Ian R Gould >igould@asu.edu

CHM 234:General Organic Chemistry II > Spring 2012

Archived Spring 2011

CHM 234/238 Discussion

Announcements (hit the Refresh button on your browser to make sure that you are seeing the latest version of this page, and every other page on this website)

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May 7, 2012 To see the final exam, click HERE To see the final exam answer key, click HERE

May 6, 2012 The results of the final exam, your final points total, and your grade for the class are now posted in the "Your Points" page. Click HERE for the regular onground class, and Click HERE for the online/hybrid class. Remember to hit refresh on any page if something does not look right. Now that the final points have been posted there is no way for you to change them, there is no extra credit, no way of changing any points for any reason, please do not ask. I have personally regraded all of the final exams for all students who were within 30 points of the grade cutoffs. There will be no further regrades. The only exceptions are data entry errors on the ASU gradebook website. I need to enter all of these grades by hand and occasionally have I been known to make an error. If you find one then send me an email asap. It has not escaped my attention that several of you have points totals that are close to the cutoffs, however, I have already looked at your final exams and there are no more points for you to earn. If this is you, I understand your frustration and you have my sympathy, but please remember that the majority of students who earned the higher grade scored more than 100 points more than you did. I will post the answer key for the final exam later this evening or tomorrow. If you would like to pick up your test you can do so during regular office hours on WEDNESDAY MAY 9th, 8:30 - 9:30AM, OR, regular office hours the following WEDNESDAY MAY 15th, 8:30 - 9:30AM. I will not be having office hours tomorrow, Monday May 7th, and I will be out of town Thursday and Friday this week and also Monday next week. My final office hours until next fall will be Wednesday May 15th. You will not be able to pick up your tests at any other time, I will be very busy these next 2 weeks, my schedule is full and I have a lot of work to do. Many of you worked extremely hard in this class, I know that it was also very time consuming, I thank you ALL. This has been a very special year of organic chemistry for me and you have been a special class, I will remember many of you for a long time! Thank you.  More...

May 1, 2012 The final exams are being graded this week, hopefully the grading will be finished on Saturday. On Saturday I will be regrading all of the final exams for all students who were within 30 points of any of the grade cutoffs. There will be no additional regrades after that. The plan is to post the final scores and grades on Sunday, although exactly when will depend upon how many regrades there are. After the final grades have been posted there will be no way for your to change your grade, no extra credit, nothing, please do not ask, thank you! The only exceptions are if there has been a serious data entry error. I have to enter every grade for 500 students by hand on the grading website, I have occasionally made an error doing that.

May 1, 2012 I will have office hours Wednesday 8:30AM - 9:30AM and also Thursday evening 6 - 7PM as usual this week, but not Online on Thursday and not Friday AM since I will be off campus all day. Those will be my last office hours of this semester, no office hours this Saturday or next week.

Apr. 28, 2012 For a review of kinetic vs thermodynamic control, click HERE, specifically, minute 98.

Apr. 29, 2012 ONLINE OFFICE HOURS AGAIN MIDNIGHT - 1AM ONLY.

Apr. 28, 2012 For a review of Aldols and Claisens including mechanisms, click HERE.

Apr. 28, 2012 For a review of amine synthesis, click HERE.

Apr. 28, 2012 For a quick(ish) review of pericyclic reactions, click HERE.

Apr. 29, 2012 ONLINE OFFICE HOURS THIS EVENING 9 - 10PM ONLY.

Apr. 29, 2012 STUDYING THE LARGE NUMBER OF REACTIONS. I decided against putting out a list of reactions for the final because I could not think of a sensible way to do that. For example. many of the reactions from late in the semester do not include any new reagents, and many are so similar, such as the derivative interconversion reactions. The list would be long and cluttered, would include stuff you already know, and would emphasize memorizing over understanding how these work, for example. So, what are you supposed to do? Here is my suggestion, hopefully not too late! Work problem set #4 and as you come across a reaction you got wrong or don't know then write it down in a book. Add to this list of reactions as you go, and by the end you will have your own individualized list of reactions that you KNOW you don't know. I will not use any reaction on the final that is not on the problem set.

Apr. 29, 2012 A third part (C) of Problem Set #4 has been posted. It is short.  More...

Apr. 29, 2012 Looking for more worked spectrum problems? Click HERE, there are 2 worked problems at the top of the list fo problems, and also click HERE, although some of these are the same that we did in the review session yesterday.

Apr. 28, 2012 To practice some very basic acid and base catalyzed mechanism problems, click HERE. At least one of these will be on the final.

Apr. 28, 2012 For a quick(ish) review of pericyclic reactions, click HERE.

Apr. 28, 2012 Today's review session has been posted.  More...

Apr. 27, 2012 The list of known errors/typos in problem set #4 has been updated, click HERE.  More...

Apr. 27, 2012 The review session tomorrow will be 4 - 6PM. I can't reserve a room tomorrow, but LS A-191 is usually not being used on Saturday during exam week, so assemble OUTSIDE. If LS A-191 is in use, or if I can't get in, then we will have to go and find another classroom, probably PS H-150, unless that is also in use. If not H-150, then H-151 etc.

Apr. 26, 2012 A second part (B) of Problem Set #4 has been posted. A third part (C) MAY be posted over the weekend if I find something that is still missing.  More...

Apr. 25, 2012 At the review today I promised a recorded review session nomenclature, since it will not be covered in either of the regular reviews. I finally finished it (took a lot longer than I thought it would), it isn't a conventional review, but problems with explained answers as you need them, click HERE.

Apr. 25, 2012 Today's review session has been posted.  More...

Apr 24, 2012 The Your Points page has been updated with all quiz scores, all midterm scores after all regrades, and the homework points have also been added. Make sure you hit refresh on the points page to make sure you get the latest version of the points page. Any errors in these points totals must be brought to my attention by 11:59PM, Sunday April 29th AT THE LATEST. After that, the only change to your points total will be your score on the final exam.  More...

Apr. 24, 2012 I will have office hours as usual this week, Wednesday sat 8:30AM, Thursday at 6PM (and online at 7PM) and Friday at 8:30AM.

Apr. 24, 2012 I changed problem set #4 quite a bit for this year, which is always dangerous(!), as a consequence, a number of errors/typos crept in, to see a summary, click HERE.  More...

Apr. 24, 2012 My completed version of the Amines notes has been posted included the updated end section. As usual, please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Apr. 24, 2012 The answer key for Quiz #14 has been posted.  More...

Apr. 24, 2012 There will be TWO pre-test review sessions, The first will be WEDNESDAY Apr 24, 10Am - Noon, in LS A-191. The second will be Saturday Apr. 28, 4 - 6PM, location to be determined. Both sessions will cover different material and will be recorded.

Apr. 23, 2012 As mentioned in class today, SOME of the synthesis problems for the final will use reactions that are taken only from a "minimal" list of functional group interconversions and carbon-carbon bond forming reactions, specifically Grignard and acetylide reactions. To see the "minimal list" of functional group interconversions, click HERE. To see the "minimal list" of C-C bond reactions, click HERE. To see eighteen synthesis problems that use only reactions from these "minimal sets", HERE. and scroll to the bottom of the Retrosynthesis Problems.

Apr. 23, 2012 The first part (A) of Problem Set #4 has been posted. A second part (B) will be posted later in the week.  More...

Apr. 22, 2012 I have changed the lectures notes at the end of the amines section a little, specifically for the last lecture tomorrow, starting with section 5 Some Amine Reactions in Synthesis. It will not be necessary for you to have the new notes, but it will be easier for you to take notes on them. To get the new "gapped" version of these notes, click HERE.

Apr. 21, 2012 Today's review session has been posted.  More...

Apr. 21, 2012 Today, Saturday Apr. 21st, there will be a review session/office hours, 4 - 5PM, in PS H-150, NOTE THE CHANGE OF ROOM. The subject will be some mechanisms and synthesis of amines. It will be recorded as usual.

Apr. 20, 2012 My completed version of the Carboxylic Acid Derivaties notes has been posted. As usual, please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Apr. 16, 2012 Many of you will know that Camp Kesem at ASU provides a free camp experience to children whose parents are dealing with cancer. They will be having a fundraiser: Date: 4/29/12 Time: 10:30 AM - 1:00 PM Location: Gainey Ranch Golf Club, Scottsdale If you or anybody you know is interested, please RSVP by this Friday, 4/20/12 at www.campkesem.org/asumtm2012 Or if you're interested in helping out but cannot attend the event, check the website, www.campkesem.org/asu

Apr. 16, 2012 The Department of Chemistry and Biochemistry now does all class/faculty evaluations online. You submit an evaluation for this class you'll need to do the following: 1. Copy and paste the this URL into your browser and press ENTER: https://chem-webtools.asu.edu/ClassEval/ (or just click HERE). 2. Log in with the same username and password you use to access other ASU sites. 3. After log in, you should see a list of evaluations to complete and their status (completed or otherwise). If you are enrolled in multiple sections of the same course (such as lab and recitation), be sure to complete an evaluation for each. If one of these sections has two TAs, you will be asked to evaluate both, and so on. 4. If a particular question does not apply to your course, please do not answer it. After you have finished answering all questions, hit Submit. If you receive a message that says you are not on the roster, or encounter other errors, please contact Mary Zhu (maryzhu@asu.edu) via email. Be sure to include your ASU ID and 5-digit class number (SLN) in this email. Before you contact Mary, please note that many problems can be solved by trying a different web browser or computer. Evaluations are available NOW, Monday (4/16) at 8:00 AM, and will close on Monday April 23rd at 11:59 PM.

Apr. 15, 2012 The Weekly Work page of suggested problems has been updated for week #15. A new set of problems from the Retrosynthesis teaching site will be loaded later today.  More...

Apr. 13, 2012 Tomorrow, Saturday Apr. 12th, there will be a review session/office hours, 4 - 5PM, in LS A-191. The subject will be some mechanisms and synthesis of carboxylic acid derivatives. It will be recorded as usual.

Apr. 13, 2012 Problem numbers 6 and seven of the Carboxylic Acid Nomenclature problems in the original gapped notes have been deleted, you do not have to know how to name structures such as those.  More...

Apr. 11, 2012 My completed version of the Carboxylic Acids notes has been posted. As usual, please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Apr 11, 2012 Today's lecture has been posted. Due to projector issues in class this morning I had to record it in my office, and as usual, it took a lot less time to record it in my office compared to using the whiteboard in class.  More...

Apr. 11, 2012 FUNDRAISING FOR A GOOD CAUSE "Supplies for Schools" is holding a fundraiser tomorrow: Date/Time: Thursday April 12th, 1PM - 1AM Location: Zoyo Frozen Yogurt (located on south campus at Vista del Sol) What to do: Mention "Supplies for Schools" at the register and the club gets 20% of sales Supplied for Schools has already helped a needy school in Guatemala, this new drive is to provide supplies to our own KINO Junior High, in west Mesa Az. many thanks to Maddie Sands for organizing this....

Apr. 10, 2012 The answer key for Quiz #12 and a new Quiz #13 have been posted. The deadline for submission of Quiz #13 is 11:59PM, Sunday April 15th.  More...

Apr 10, 2012 The Your Points page has been updated with all quiz scores up to and including #12, and midterms #1 and #2 after all regrades. Please make sure that your quiz scores are recorded correctly. This year there is 1/2 point for each question, rounded UP, so be careful, if you got 6 points (which is the maximum), you may still have got one of the questions wrong due to the rounding up. Same goes for 5 points, you may have 3 wrong etc., so it is important that you check the quiz answer keys to make sure you know what you got right and what you got wrong. Make sure you hit refresh on the points page to make sure you get the latest version.  More...

Apr. 9, 2012 My completed version of the Enols/Enolates notes has been posted. As usual, please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Apr. 9, 2012 The Weekly Work page of suggested problems has been updated for week #13. A new set of problems from the Retrosynthesis teaching site will be loaded later today.  More...

Apr. 8, 2012 Then results for the third midterm have been posted. The tests will be returned in class tomorrow, Apr. 9, or they can be picked up any office hours.  More...

Apr. 6, 2012 Tomorrow, Saturday Apr. seventh, there will be a review session/office hours, 4 - 5PM, in LSD A-191. The subject will be Aldol and Claisen reactions. It will be recorded as usual.

Apr. 6, 2012 There was an error in Question 10 of Quiz #12, it has now been fixed in the version online. Make sure that you hit refresh on the quiz page to make sure that you get the latest version of question 10, the old version was not possible to solve. The deadline for submission is still 11:59PM, Sunday April 8th.  More...

Apr. 4, 2012 The Weekly Work page of suggested problems has finally been updated for week #12, including a new set of problems from the Retrosynthesis teaching site.  More...

Apr. 1, 2012 A new Quiz #12 has been posted. The deadline is 11:59PM, Sunday April 8th.  More...

Apr. 1, 2012 The answer key for Quiz #11 has been posted.  More...

Mar 31, 2012 Today's review session has been posted. REMEMBER, the quiz this week is due SATURDAY at 11:59PM, NOT SUNDAY!  More...

Mar 29, 2012 To see a summary of all of the reactions you will need to know for midterm #3, click HERE. Please read the study advice on the first page of this summary. Do NOT start to study by trying to memorize these reactions. Work as many problems as you can that use these reactions and then go back to this list to help you memorize whatever parts you have not yet learned. Some memorization will be inevitable this semester as we learn a lot of new reagents. This summary is longer than the one for midterm #2.

Mar 29, 2012 For more nomenclature questions, click HERE. To see the answers, click HERE.

Mar 29, 2012 To see a list of concept questions, at least one of which will be reproduced exactly on the midterm exam, click HERE.

Mar 29, 2012 There are some known errors/typos in problems set #3, click HERE.  More...

Mar 28, 2012 MATERIAL FOR MIDTERM #3. Midterm #3 will cover everything up to the end of section 2.2. of the enols/enolates notes, page 5. We didn't quite get there today, we will complete this section on Friday and the rest of the Friday lecture from Section 2.3 will not be on the midterm.

Mar 28, 2012 My completed versions of the Aldehydes/Ketones notes have been posted. As usual, please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Mar. 26, 2011 There will be TWO pre-test review sessions. The first will be Thursday Mar. 29th, 6 - 8PM (this will replace both the regular and the online office hours that day), in PS H-152. The second will be Saturday Mar. 31st, 4 - 6PM in LS A-191 (this will replace the regular Saturday office hours/review session). Both reviews will cover different material and both will be recorded.

Mar. 26, 2011 Addition Test Preparation: Benzene reactions will obviously be in the next test. I have prepared a "Mini-exam" on just benzene reactions/mechanisms etc. that you can use to test yourself on these concepts. When you are confident in your understanding level of benzene chemistry (e.g. I know this 100%, 80%, 50% etc), then take the test, give yourself 25 minutes maximum, and then have someone else grade it for you!!, so that you can see how our confidence level matches reality! To see the test, click HERE, and to see the answer key, click HERE.

Mar 26, 2012 To see a list of known errors in problems set #3 (yes, one has been found already), click HERE.  More...

Mar 26, 2012 Quiz #11 has been posted. The deadline for submission of Quiz #11 is 11:59PM SATURDAY March 31st.

Mar 25, 2012 Problem Set #3 has been posted. Use the problem set to prepare for midterm #3.  More...

Mar 23, 2012 The Your Points page has been updated with all quiz scores up to and including #10, and midterm #1 after all regrades. Please make sure that your quiz scores are recorded correctly. This year there is 1/2 point for each question, rounded UP, so be careful, if you got 6 points (which is the maximum), you may still have got one of the questions wrong due to the rounding up. Same goes for 5 points, you may have 3 wrong etc., so it is important that you check the quiz answer keys to make sure you know what you got right and what you got wrong. Make sure you hit refresh on the points page to make sure you get the latest version.  More...

Mar 18, 2012 I realized that the due date for turning in midterm #2 for regrade is during spring break, therefore I have changed the deadline to Monday March 26th.

Mar 16, 2012 Quiz #10 is due thus SUNDAY, March 18th!! There is NO QUIZ NEXT WEEK :) There will be NO review session or office hours tomorrow, Saturday March 17, since I will be out of town. Enjoy your break!

Mar 15, 2012 Yesterday's lecture has been posted. As usual, it took a lot less time to record it in my office compared to using the whiteboard in class! It is pretty short.  More...

Mar 14, 2012 Today's lectures was NOT recorded due to computer malfunction. I will record a version of the lecture in my office, but it may not be posted until late this evening, apologies!

Mar 13, 2012 The Your Points page has been updated with all quiz scores up to and including #9. Please make sure that your quiz scores are recorded correctly. This year there is 1/2 point for each question, rounded UP, so be careful, if you got 6 points (which is the maximum), you may still have got one of the questions wrong due to the rounding up. Same goes for 5 points, you may have 3 wrong etc., so it is important that you check the quiz answer keys to make sure you know what you got right and what you got wrong.  More...

Mar. 13, 2012 The answer key for Quiz #9 and a new Quiz #10 has been posted. The deadline for submission of Quiz #10 is 11:59PM, SUNDAY Mar. 18th.  More...

Mar 13, 2012 Yesterday's lecture has finally been posted, sorry, I forgot!  More...

Mar 11, 2012 The Weekly Work page of suggested problems has been updated for week #11, including a new set of problems from the Retrosynthesis teaching site (these may be posted later in the day on Monday).  More...

Mar 11, 2012 Then results for the second midterm have been posted. The tests will be returned in class tomorrow, Mar 12, or they can be picked up any office hours.  More...

Mar 9, 2012 There will be NO REVIEW session and NO OFFICE HOURS tomorrow, Saturday March 10th, I will be grading, and this is also the weekend that we recruit graduate students and I will be very busy all weekend, thanks.

Mar 8, 2012 The Weekly Work page of suggested problems has finally been updated for week #10, including a new set of problems from the Retrosynthesis teaching site.  More...

Mar. 7, 2012 A new Quiz #9 has been posted. The deadline for submission is 11:59PM, SUNDAY Mar. 11th.  More...

Mar. 4, 2012 The answer key to Quiz #8 has been posted.  More...

Mar 4, 2012 There is an error in the answer key to Problem 3b in midterm #2, 2011. The answer should be

Mar 4, 2012 In case anybody forgot to submit Quiz #8 because it was due on Saturday, the deadline has been extended until 1PM today, Sunday Mar. 4.  More...

Mar 3, 2012 To see a summary of all of the reactions you will need to know for midterm #2, click HERE. Please read the study advice on the first page of this summary. Do NOT start to study by trying to memorize these reactions. Work as many problems as you can that use these reactions and then go back to this list to help you memorize whatever parts you have not yet learned. Some memorization will be inevitable this semester as we learn a lot of new reagents. Note the comments before the section that summarizes the reactions we have covered since the 1st midterm. Specifically, all of the reactions that relate to kinetic vs thermodynamic control are not summarized, since they are basically those from earlier in the course in a different context. All possible Diels-Alder and other pericyclic reactions are also not on the summary, for obvious reasons. This summary is shorter than the one for midterm #1.

Mar 2, 2012 Confused about how you are supposed to answer my pericyclic reaction problems? Click HERE. And for another sort video that discusses a problem related to cycloaddition reactions, suprafacial and antarafacial and FMO theory, click HERE.

Mar 2, 2012 This evening's review session has been posted. At the end we did some retro (reverse) Diels-Alder reactions and I gave the incorrect answer to the very last question, the correct answer is  More...

Mar 1, 2012 To see a list of known errors in problems set #2, click HERE. There was an error in the second mechanism problem on page 9.  More...

Mar 1, 2012 In the review session Saturday 25th, at minutes 40 - 41, I said that the reaction proceeded via a disrotatory ring closure, which is correct, but then a minute or so later I then said that it was conrotatory and circled the "con" on the page. That was an error, the reaction at minute 40 is definitely disrotatory.  More...

Mar 1, 2012 Some more problems have been added to Problem Set 2, Problem Set #2 Supplement, including some conceptual questions, now all I have to do is remember to put on on the exam! These are all new questions so they are probably full of errors!  More...

Feb 29, 2012 There will be TWO pre-exam review sessions. The first will be tomorrow night, Thursday March 1st, 6 - 8PM in LSE-104. The second will be Saturday March 3rd, 4 - 6PM IN PS H-150. Different material will be covered in each review an both will be recorded. I will NOT attempt to "live stream" these review sessions. We will have have another go at this later in the semester. I have a couple of new things to try but this time I'll make sure that I test it thoroughly first!

Feb 29, 2012 The Weekly Work page of suggested problems has been updated for week #9, including a new set of problems from the Retrosynthesis teaching site.  More...

Feb 29, 2012 Today's lecture file got corrupted, and so I had to record the lecture again in my office. As usual when this happens, the recorded lecture is significantly shorter than 50 mins!  More...

Feb 27, 2012 Problem Set #2 is not yet finished. However, I have posted what I have so far and will post some more problems later in the week when I have had some time to write some more. Use the problem sets to prepare for midterm #2.  More...

Feb 27, 2012 My completed versions of the notes for both the Conjugated Systems Section and the Aromatic Section have been posted. As usual, please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Feb 27, 2012 The answer key to Quiz #7, and a new Quiz #8 have been posted. The deadline for quiz #8 is 11:59PM, SATURDAY Mar. 3rd.  More...

Feb 26, 2012 Well it took a while, but we finally have a review session from yesterday, except that it wasn't recorded yesterday, if you know what I mean....  More...

Feb 25, 2012 Well, that DIDN'T go well, did it? Not only did the video feed not work, but the recording I did after shutting off the video feed got messed up too, the audio and video are not in synch! So, I will try to fix it and hopefully post the review session later this evening, I am just hoping that we didn't lose the whole thing!

Feb 24, 2012 Tomorrow, Saturday Feb 25th, there will be a usual review session 4 - 5PM. The subject will be pericyclic reactions, we will practice FMO and Aromatic Transition State theories. The location will be LS A-191, the usual classroom. If you do not want to attend in person, you will be able to connect "live", from home, using the same system as is used for online office hours. It is quite simple to use, to see how to connect and use it click HERE (it may not be necessary for you to do this, it is pretty self-explanatory). To connect to the system, click HERE. Warning: This is experimental, I have never tried this before, it may not work! It seems to work pretty well for office hours, but the most I have ever had at one time there is 6 or 7, and so, for example, if thousands of people suddenly decided that they wanted to participate in the online review session, I suspect that we might have a bit of trouble! If it doesn't work, or something goes wrong half way through then I will abandon it and just record the review session as usual and post it online. But let's give it a try. In any case I intend to record the review session so that you can participate in 3 different ways, in the classroom, watching live at home, or watching the recording later (assuming all goes well!).

Feb 24, 2012 Todays lecture has been posted. In class today we talked about methods of solving electrocyclic reactions using a "fingers and thumbs" method. Obviously those not in class are not able to see this on the screen capture. So see a short movie that demonstrates how to do this method that was described in class, click HERE. Some people do not like this "fingers and thumbs" method, and that is quite OK, it is not necessary to solve the problems that way, it is also sometimes a little difficult to see what is happening that way. So, there is another short movie that shows another way to solve these problems (that was not actually described in class today) that uses a molecular model, click HERE. There is no right or wrong way to solve these problems, different people will solve them different ways.  More...

Feb 23, 2012 In online office hours today I gave 3 problems related to kinetic and thermodynamic control. Two of them are challenging, the third one in particular is more difficult that I would ask you to do on a midterm, so don't worry if you struggle with #3. I have added these three problems to the Problems page and I will add them to the Conjugated notes when I post the completed version.  More...

Feb 22, 2012 To see a short mini-lecture on Electrophilic Aromatic Substitution, that might be useful for lab, click HERE. This lecture has some gapped notes to go along with it (pdf file), click HERE. Thre are some worked problems at the end of this mini-lecture.

Feb 22, 2012 There will be a CHM 234 SI session today, Wednesday Feb 22, Hayden C-52. The topic will be kinetic versus thermodynamic control.

Feb 21, 2012 The Weekly Work page of suggested problems has been updated for week #8, including a new set of problems from the Retrosynthesis teaching site.  More...

Feb 20, 2012 The answer key to Quiz #6, and a new Quiz #7 have been posted. The deadline for quiz #7 is 11:59PM, Sunday Feb. 26th.  More...

Feb 20, 2012 To see a small movie that attempts to illustrate conrotatory and disrotatory electrocyclic ring closure reactions, and how they relate to FMO theory, as discussed in class today, click HERE.

Feb 19, 2012 At the review session yesterdays I promised to post some Diels-Alder reactions going backwards (retro Diels-Alder) problems. I have done this in an updated version of the page of Diels-Alder problems that are in the notes, and that were on the website. There is now an expanded version of these problems on the Problems page on the website, and this expanded version will be included in the completed version of the Conjugated notes when we finish this section.  More...

Feb 19, 2012 The review session tomorrow from yesterday has been posted.  More...

Feb 17, 2012 There will be a review session tomorrow in LS A-191, 4 - 5PM. The subject will be Reactions of ethers/epoxides and Diels-Alder Reactions.

Feb 15, 2011 When you submit your next quiz you will be invited to participate in a chemical education research project that we run in my classes. By agreeing to participate you let us use your exam scores to look for statistically meaningful trends related to the class performance. Your participation will be completely anonymous, students who participant are identified only by a number, you earn no credit for participating and you do not lose no credit for not participating. If you decide to participate you can withdraw at any time. ,We do not look at individual exam scores, just statistical trends. If you participate you will be asked to submit a demographic survey. Again, we do not look at individual responses, we just look for correlations with course performance. If you completed the survey last semester you will not be asked to complete another one this semester. Basically, we want to find out what the predictors are for success in this course so that we can learn how to teach better in the future. Clearly, the more people who choose to participate the better our data will be, so I ask you to consider this request seriously. Thank you.

Feb 15, 2012 I was asked for some practice mechanism problems that involved ring making/breaking/expansion/contraction. I thought this was a good idea and so I have collected together some mechanism problems and put them on the problems page, click HERE.  More...

Feb 13, 2012 Today's lecture has been posted. To see the small movie on the Diels-Alder reaction I showed in class today, click HERE.  More...

Feb 13, 2012 The answer key to Quiz #5, and a new Quiz #6 have been posted. The deadline for quiz #6 is 11:59PM, Sunday Feb. 19th.  More...

Feb 12, 2012 The Weekly Work page of suggested problems has been updated for week #7, including a new set of problems from the Retrosynthesis teaching site.  More...

Feb 12, 2012 Then results for the first midterm have been posted. The tests will be returned in class tomorrow, Feb 13, or they can be picked up any office hours.  More...

Feb 10, 2012 I just redid the Ethers/Epoxides Reactions Problem page. It no longer looks like the one in your notes, it is significantly expanded. If you have already done this page you might want to go back and try some of the new problems.  More...

Feb 10, 2012 Homework website update: We have found that there is a browser specific problem with recording the credit, AND a browser dependent problem logging into the website. Firefox works bit some other browsers don't, and it seems to be irreproducible. This should not be your problem, obviously, and so until it is fixed you can ignore the credit issue, ALL students will receive all credit until this problem is fixed. We are working on logging in problem right now. Apologies for all the problems! UPDATE Feb 11th: The login problem has now (hopefully) been fixed, please login using your last name, ALL LOWERCASE, and you posting ID. If there are any remaining login problems, please let me know asap. Now working on the report problem!

Feb 10, 2012 There will be NO review session on Saturday, we haven't covered enough material since the last midterm and I will be grading. However, I will have office hours at the usual time 4 - 5PM in my office. The quiz this week is due SUNDAY at 11:59PM.

Feb 8, 2012 Several students who did not take my CHM 233 class had asked for some review material on Reaction energy/coordinate diagrams. I obviously think that these are very important because they describe everything about a reaction. I have finally finished some review material, you will find it on the CHM 233 Review page on this website. There you will find a review lecture, some gapped notes to go along with the lecture and some practice problems to aid your learning of this important subject. Reaction energy diagrams are now considered fair game for any test the rest of this semester!  More...

Feb 8, 2012 Thanks to the efforts of your classmate Phivu Nguyen, who recompiled all of the lectures into .mp4 format, all of the CHM 233 lectures are now available for download, click HERE.  More...

Feb 7, 2012 Thee Weekly Work page of suggested problems has been updated for week #6, including a new set of problems from the Retrosynthesis teaching site.  More...

Feb 7, 2012 A new Quiz #5 has been posted. The deadline is 11:59PM, Sunday Feb. 12th.  More...

Feb 8, 2012 Your scores for Quizzes 2 - 4 have been posted on the Your Points page. Please make sure that your quiz scores are recorded correctly. This year there is 1/2 point for each question, rounded UP, so be careful, if you got 6 points (which is the maximum), you may still have got one of the questions wrong due to the rounding up. Same goes for 5 points, you may have 3 wrong etc., so it is important that you check the quiz answer key to make sure you know what you got right and what you got wrong.  More...

Feb 6, 2012 Question 6 was missing from the midterm, it was the Conceptual Question and I accidentally deleted it when I made the test for copying. It was worth 5 points. I will give the entire class these 5 points. If you are interested, this is what it was supposed to be: Question 6 (5 pts.) An alkyne reacts slower than an alkene in an electrophilic addition reaction because.... the electrons in the pi-bonds are lower in energy in the alkyne because the sp hybridization results in a shorter C-C bond and better overlap between the 2 sets of p atomic orbitals

Feb 5, 2012 I have been asked to provide some review material related to reaction energy diagrams for this students who did not take my class last semester. I finally got around to doing that today, but it is a bit late for midterm #1, so, there will be no energy diagrams on the test tomorrow. I will post the review material next week after the test. Look for energy diagrams on subsequent tests.

Feb 5, 2012 The answer key to Quiz #4 has been posted.  More...

Feb 5, 2012 There is now a page of concept questions/statements, one of which will be taken directly and put onto midterm #1. To see this list, click HERE. There was an important typo in the answer to #3, so if you downloaded the pdf file before noon Feb 5th you will have an error there, it is supposed to say: the new sigma-bonds formed in the ALKYNE addition reaction are to carbons that are sp2 hybridized (makes stronger bonds) compared to sp3 hybridized in addition reactions to alkenes

Feb 4, 2012 HOMEWORK PROBLEMS. Well, we have been having a lot of problems trying to get the homework website working, and I am sure there are still some bugs. Nevertheless, it is supposed to help you to learn retrosynthesis, and so I decided to get it put at the last minute to see if it might be helpful for the first midterm. You will get credit for using this site. You do not earn credit for getting any problem correct, indeed there is no way to input answers anyway. You earn credit just by LOOKING at each problem as appropriate. If you just look at the problem and then get out of the system you will earn as much credit as if you work through each problem in detail. I am not yet sure how much credit will be available this semester, but it will be normalized to a maximum of 40 points at the end of the semester. You need to login to the system so that we can assign credit as appropriate. This website is also part of a chemical education project that we are running and when you logon for the first time you will be asked if you would like to participate or not. If you do, we will track the way that the the participants use the website to see if there is any correlation with their performance on retrosynthesis problems. Your participation will be anonymous, we do not track individuals, we only look for class-wide trends. You earn no extra credit for participating, there are no penalties for not participating. Obviously we need as many of you as possible to participate to make the study meaningful. There may be some bugs left in the system if there are I apologize, we will fix them next week, but I just wanted to get this out before the midterm. Thanks for your understanding. To access the website, go to retro.asu.edu. Although the problems are on a website, and you will interact with the site, you are supposed to be working the problems out on a piece of paper as you go. UPDATE: the login system is not working correctly, try to login using your FIRST name, all lowercase, not your last name as in the instructions. if that does not work then enter "gould" as your name (all lowercase) and then enter 1111111 as your posting ID. Apologies for the inconvenience! Everybody will earn the appropriate credit for these problems despite the login problem!

Feb 4, 2012 Today's review session has been posted. Later this evening I will post the promised homework problems that were delayed, probably late tonight.  More...

Feb 4, 2012 The following is a list of mechanisms that are in the 2ND semester notes so far that you do NOT have to know for the next midterm: 1) Radical addition of HBr to an alkyne (p 8 alkyne notes) 2) Reaction of (Sia)2BH.THF and -OH/H2O2 with an alkyne (p 10 alkynes notes) 3) Reduction of an alkyne using Na/NH3(l) (p12 alkynes notes) 4) Oxidation of primary and secondary alcohols using Na2Cr2Oseven/H2SO4/H2O, but you DO have to know the mechanism for formation of the hydrate from the aldehyde (p 8, 9 alcohols notes) 5) Reaction of alcohols with PBr3 (p 12 alcohols notes) 6) Reaction of alcohols with SOCl2 (p 12 alcohols notes) Anything else is fair game

Feb 2, 2012 To see a list of known errors in problems et #1, click HERE.  More...

Feb 2, 2012 Today's review session has been posted, the subject was nomenclature, acidity, substituent effects and reactions. The review session on Saturday will cover synthesis and mechanisms. In the review session I made an error, I said that when naming a structure with multiple functional groups that contains an alkyne, and alkene and an alcohol, I said that the order the functional groups are arranged in the name is -yne then -ene then -ol, when in fact it should have been -ene followed by -yne followed by -ol. So, the name of the 3rd structure that we named in the review session at 8:30 mins should have been (6S)-bromohept-(4E)-en-1-yn-(3R)-ol, NOT as given in the recording, (6S)-bromohept-1-yn-(4E)-en-(3R)-ol, sorry! Thanks to the student who spotted that error!  More...

Feb 1, 2012 Thee Weekly Work page of suggested problems has been updated for week #5 (a little late I am sorry).  More...

Feb 1, 2012 My completed version of the Organometals notes has been posted on the Lecture Material page. Please use this to make sure that your notes are up to date and have no errors, thanks. THIS REPRESENTS THE END OF THE MATERIAL FOR THE FIRST MIDTERM, THE TEST COVERS EVERYTHING UP TO AND INCLUDING GRIGNARD AND ORGANOLITHIUMS DISCUSSED IN CLASS TODAY. On Friday we will finish a few more synthesis problems relevant to the first midterm, and continue into the notes for the second midterm.  More...

Jan 30, 2012 My completed version of the Alcohols notes has been posted on the Lecture Material page. Please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Jan 30, 2012 The ' to Quiz #3, and a new Quiz #4 has been posted. The submit deadline for the quiz this week is SATURDAY Feb 4th!  More...

Jan 29, 2012 Midterm #1 is coming up next week, Monday Feb. 6th! Regular/onground class students will take the test in LS A-191. Online/hybrid class students will take the test in PS H-150. This weeks quiz #4 will be due SATURDAY FEB. 4th so that I can post the answer key as a study aid on Sunday. There will be TWO review sessions. The first will be Thursday evening, Feb. 2nd, 6 - 8PM in PS H-150. The second will be Saturday Feb. 4th, 4 - 6PM again in PS H-150. Both will cover different material and both will be recorded. To see a summary of all of the reactions you will need to know for midterm #1, click HERE. Please read the study advice on the first page of this summary. Do NOT start to study by trying to memorize these reactions. Work as many problems as you can that use these reactions and then go back to this list to help you memorize whatever parts you have not yet learned. Some memorization will be inevitable this semester as we learn a lot of new reagents. Yes, I know, this list is long.... When it comes to the memorization part, follow the advice given in the video given in the study advice page, click HERE. As you can see, in previous years I expected you to make your own list of reactions, this year I have already provided the list for you, you do not need to make your own. What mechanisms do you ned to know? You will not be able to "learn" all of the mechanisms that you need to know this semester because I will be asking you to write mechanisms for reactions you have not seen, so there is no "list" of mechanisms to be memorized. Of course, some mechanisms will come from the notes, and for advice on how to handle those, click HERE. In general I ask mechanisms for reactions that involve standard Lewis acid/base steps that occur in multiple mechanisms. Use the ] as a guide here. What else do you need to know? Conceptual stuff and nomenclature, click HERE. Also, synthesis problems, see the weekly work pages for many problems, the the problems set and also the teaching website that will be released this week (look for announcements in class and on this site). Finally, I will also be asking spectroscopy problems, but probably not on every midterm, but they will be similar to those on the problem set, i.e. fairly straightforward.

Jan 29, 2012 Problem Set #1 has been posted, use it to prepare for midterm #1.  More...

Jan 28, 2012 Today's review session has been posted, the subject was substituent effects and alkyne synthesis. At the end of the review session I left the students with some problems to solve on their own. To see these problems and my answers, click HERE.  More...

Jan 28, 2012 There will be a review session TODAY in LS A-191, 4 - 5PM, the subject will be synthesis using alkyne C-C bond-forming reactions and, apparently, substituent effects on benzene rings. It will be recorded as usual.

Jan 28, 2012 I was asked a question about substituent effects on benzene, pacifically -NH2 as an example. My answer may be useful to the whole class for a moment let's ignore the acidity of phenols and only talk about benzene rings and substituents when connected to a benzene ring, a -NH2 will actually donate electrons into the ring, and this can be illustrated by drawing a minor resonance contributor that would have a positive charge on N and a negative charge on one of the carbons on the benzene ring think back to first semester when we explained chemical shifts for protons on benzene rings with substituents by drawing resonance contributors in this way, e.g. here at ca. 21 minutes: http://www.asu.edu/courses/chm331/lectures/l22/l22.html when we do the chemistry of benzene rings we will find that these effects are very important so, ignoring the acidity of phenols for a moment, when e.g. -NH2 donates into a benzene ring it raises the energy of the electrons in the benzene ring which makes the benzene ring more reactive (higher energy electrons) in the kinds of reactions that it does, which are to come it doesn't stabilize the benzene ring by resonance because it is actually adding electron density into the ring it would be different if there were a positive charge on the ring, but we will discuss that later now back to phenol acidity and the conjugate base anions that arise from deprotonation without a -NH2, the electrons are delocalized into the ring, which actually stabilizes them a bit, so far so good with the -NH2 the electrons are delocalized into the ring, BUT, the ring electrons are already higher in energy because of the donating effect of the -NH2, and so they don't gain as much benefit from delocalization into the ring as they would have if the -NH2 was not there, OR, another way to look at it is that one of the resonance contributors has the non-bonding electrons on the carbon which as the N attached, then the two pairs of non-bonding electrons repel, raising the total energy, this was the explanation given in class this electron raising effect overwhelms any inductive stabilizing effect due to the electronegative nitrogen

Jan 26, 2012 My completed version of the Alkynes notes has been posted on the Lecture Material page. Please use this to make sure that your notes are up to date and have no errors, thanks.  More...

Jan 26, 2012 I have been asked about what reactions from first semester organic chemistry you will need to know for the first midterm in CHM 234, specifically if you need to know any of the reactions from the "cheat sheet" you were given on the final. The first semester reactions you need to know are summarized on the first set of problems for CHM 234 on the Problems poge, click HERE. The only reaction on this page of problems that was also on the "cheat sheet" is formation of an epoxide using MCPBA, the others on the cheat sheet we will not use in 234 except for hydrolysis of an epoxide to give a diol, which you won't have to know for midterm #1 because we will cover it again for midterm #2.

Jan 23, 2012 Here is an important announcement about a study being conducted by the School of Social and Family Dynamics at ASU Many talented Latino teenagers are turning away from science classes and careers. We want to help develop programs that will support high school students in science. We would like to invite Latino ASU students to attend a focus group. Participants will be asked to (1) provide feedback on surveys and (2) talk about what helped you get this far in science. Participants will receive $25 in cash. Focus groups will last no longer than 2 hours and will be held on the ASU Tempe campus. If you are interested in learning more, please visit the following url to complete a short interest form (1-2 minutes): www.surveymonkey.com/s/Families_and_Science. For more information, please contact: Chara Price Graduate student chara.price@asu.edu or Dr. Sandra Simpkins Associate Professor Sandra.simpkins@asu.edu

Jan 23, 2012 The answer key to Quiz #2, and a new Quiz #3 has been posted.  More...

Jan 22, 2012 the Weekly Work page of suggested problems has been updated for week #4.  More...

Jan 22, 2012 A student noticed that at 45:15 in the lecture on Jan 18th I said that I need you to know that alkynes react faster than alkenes. Of course, what I meant to say was that I need you to know that ALKENES react faster than ALKYNES. Oops! This will always be true if the reactions involve Lewis acid base reactions, since the energy of the electrons in the pi-bonds in alkynes are lower than the corresponding pi-electrons in alkenes, they are less reactive in a KINETIC sense, i.e. they are poorer nucleophiles). Alkyne reactions tend to be moor exothermic than alkene reactions, but that is mainly a result of the second step in the mechanism, the step that is not rate determining. Of course, this is only the case if the reactions proceed via Lewis acid/base mechanisms, for example, on the Lindlar catalyst an alkyne reduces faster than an alkene, but that is because the reaction proceeds via a very different, non Lewis acid/base mechanism. Glad someone is listening to the lectures carefully :D For a more detailed explanation, click HERE.

Jan 21, 2012 Today's review session has been posted, the subject was alkyne reactions/mechanisms and some synthesis problems. In the middle of the review session I left the students with some problems to solve on their own. To see these problems and my answers, click HERE.  More...

Jan 21, 2012 There will be a review session today in PS H-150 (NOT LS A-191), 4 -5PM as usual. The topic will be more synthesis problems, incorporating some of the newer reactions. I will be available to answer questions 1-on-1 after the review.

Jan 18, 2012 Tomorrow evening, Thursday Jan 19th, I will hold regular office hours in my office as usual, 6 - 7PM. Then from 7PM - 8PM will hold "online" office hours for anybody who has questions and can't make it to campus.  More...

Jan 16, 2012 the Weekly Work page of suggested problems has been updated for week #3.  More...

Jan 16, 2012 Your scores for Quiz #1 have been posted on the Your Points page. Please make sure that you can find yourself on my roster and that you quiz score is recorded correctly. this year there is 1/2 point for each question, rounded UP, so be careful, if you got 6 points (which is the maximum), you may still have got one of the questions wrong due to the rounding up. Same goes for 5 points, you may have 3 wrong etc., so it is important that you check the quiz answer key to make sure you know what you got right and what you got wrong.  More...

Jan 16, 2012 The answer key to Quiz #1, and a new Quiz #2 has been posted.  More...

Jan 14, 2012 Today's review session has been posted, the subject was synthons and multi-step synthesis. At the end of the review session I left the students with some problems to solve on their own. To see these problems and my answers, click HERE.  More...

Jan 13, 2012 There will be a review session tomorrow, Saturday Jan 14th, 4 - 5PM in LS A-191. The subject will be synthons and 1st semester reactions within the context of synthesis problems. I will be available to talk to students 1-on-1 after the review.

Jan 13, 2012 Quiz #1 can now be submitted.  More...

Jan 13, 2012 Lecture #4 has been posted in the recorded lectures page. Online/hybrid students will need to register to watch this lecture before they can submit Quiz #1. This is the last time that a lecture posting will be included on this main announcements page, from now on please just go straight to the recorded lectures page.  More...

Jan 11, 2012 If you are interested in doing an honors project for this class, there are two opportunities. The first involves mentoring some Kino Jr. High kids who will be putting together some science fair projects that they hope to take to the state competition. This is very important opportunity for the Kino kids and a very worthy project. However, time is critical for this project because they have started work already and we would need you to start straight away. The second project involves answering science questions same as last semester.  More...

Jan 11, 2012 At the request of a student I have added a download link to each of the recorded lecture files so that they can be watched offline. Let me know if there are any problems with this or if you think it is useful. The lecture files are mainly .swf (flash) files, that can be opened in just about any browser (but without the controls). However, I just realized that so far this semester I have accidentally been making .mp4 files, which are a lot larger. So lectures 1 - 3 are .mp4, the rest will be .swf. (I could go back and recompile 1 - 3 but I am feeling lazy today!)  More...

Jan 11, 2012 My completed version of the Retrosynthesis notes has been posted on the Lecture Material page. Please use this to make sue that your notes are up to date and have no errors, thanks.  More...

Jan 11, 2012 Lecture #3 has been posted in the recorded lectures page. This is the last lecture that the online/hybrid students will not have to register to watch. Online/hybrid students will need to register to watch lecture #4 (Friday) before they can submit Quiz #1.  More...

Jan 9, 2012 the Weekly Work page of suggested problems has been updated for week #2.  More...

Jan 9, 2012 Here s the information regarding the SI sessions that were mentioned in class this morning: SI Leader = Molly Downey email: molly.downey@asu.edu Session Times: Sundays 12-1 pm in Hayden C-52 Mondays 7-8 pm in LSA 109 Wednesdays 1-2 pm in Hayden C-52 There will be an Ochem SI facebook page coming soon

Jan 9, 2012 Lecture #2 has been posted on the Lectures page. Online/hybrid students do not have to register to watch this lecture, registering for lectures will start with #4.  More...

Jan 7, 2012 Today's review session has been posted, the subject was fundamental Lewis acid/base reactions and mechanisms. The end of the review session had a couple of mechanisms including a tricky mechanism that you might want to try to practice solving even if you are familiar and comfortable with first semester mechanism concepts. Start at minute 47 for the first of these and start at minute 59 for the second harder one.  More...

Jan 6, 2012 I have office hours every Saturday, this semester from 4PM - 5PM. Usually these take the form of a review session, however. I am always available to talk to students 1-on-1 at the end of the review. The first Saturday office hours/review session will be TOMORROW, Jan 7th, 4 - 5PM, in LS A-191. The subject will be 1st semester mechanisms. This is PRIMARILY for students who did not take my Fall 2011 CHM 233 class (although everybody is welcome to attend). I need to make sure that we all understand how I like to see mechanisms drawn. The review session will be recorded just like the lectures and posted on the class website.

Jan 6, 2012 Lecture #1 has been posted on the Lectures page. I will usually not post an announcement on the main webpage when lectures are posted. They are usually posted the same morning that the lecture is delivered in class, unless I get busy of have a meeting or something similar, however, they should always be posted the same day. Online/hybrid students do not have to register to watch this lecture, registering for lectures will start with #4.  More...

Jan 3, 2012 Welcome to CHM 234, General Organic Chemistry II, Spring 2012. The syllabus/procedures for this class are very similar to CHM 233, Fall 2011. Because most students have already heard all of this, I will not be going over this again on the first day of class, instead I have posted this information in the form of a recording, click HERE. There is also a recording specifically for this students in the online/hybrid version of the class, click HERE. There is also a recording specifically for those students who did not take my CHM 233 General Organic Chemistry I class in Fall 2011, click HERE. Finally, there is also a recording that shows how to use the class website, click HERE. Click here for Syllabus for the Regular Onground Class : SLN 10316 (pdf file) Click here for the Course Schedule for Both Classes (pdf file) Click here for Syllabus for the Online/Hybrid Class : SLN 20658 (pdf file)

Jan 1, 2012 Quiz #1 has been posted. You will not be able to submit the quiz until 9AM Friday January 13th, i.e. after the drop/add deadline and after I have had time to setup my roster. The deadline for Quiz #1 will be 11:59PM, Sunday Jan. 15th.  More...

Jan 1, 2012 This class uses "gapped" lecture notes that you complete in class. They are available as pdf files under the Lecture Material tab. You can print these and bring them to lecture, or you can save money by purchasing the entire notes set from The Alternative Copy Shop, at the southwest corner of Mill Ave. and 10th street. The cost should be ca. $30, give them a call before you go to make sure that they have some copies in stock (480) 829-7992. They should be available for pickup on Wednesday January 4th, but check before you go. I will distribute gapped notes in the first class that will last the first two lectures. You can also get the notes for these first lectures by printing the first seven pages of the "Retrosynthesis" notes, click HERE.  More...

Jan 1, 2012 The recommended textbook for this class is Organic Chemistry, 3rd Edition, by J.G. Smith. If you use the textbook it is critical that you also get the accompanying Solutions Manual, since the problems are the MOST IMPORTANT part of the textbook. To keep costs down for students, we have negotiated two special paperback Textbook/Solutions Manual packages, one for CHM 233 and one for CHM 234, that are available at the ASU bookstore. The cost of the ASU special packages is probably lower than you will be able to find elsewhere for a Textbook/Solution Manual combo. If you get a 3rd Edition textbook somewhere else, please make sure that you also get the Solutions Manual. The ASU special editions do not include chapters on topics such as proteins, nucleic acids, carbohydrates etc. These topics are not covered at ASU because we aim to teach the best organic chemistry course possible, and this will not include a superficial overview of biochemical molecules. To understand biochemical molecules properly you will need to take a biochemistry course. I will provide suggested reading and problems from the 3rd Edition of Smith ONLY. I will not be able to suggest reading or problems from any earlier edition of Smith, or from any other textbook. If you have any other textbook, it should be fairly easy for you to find the appropriate reading and problems yourself. The Textbook is recommended, not required. Many students will ask me if they should buy the textbook. Unfortunately I am not able to give a satisfactory answer, since different students have very different needs. Some students really need to study from a textbook and appreciate the chance to read about a topic from a perspective that is different from that of the instructor. Also, some students want a permanent textbook to study for the MCAT, for example. Some students will not need a textbook at all, since there is a lot of learning material on the class website. It is also true that you can learn most of what you need to know from just about any organic textbook. You have to make your own decision on this I am afraid! Note that the lab is a separate course, the textbook for the lab course is REQUIRED!

Jan 1, 2012 It is not possible for me to give an override into this class since I am not allowed to override the reserved seat assignments or the room capacity. If you really want to get into this class, come during the first week and be persistent in trying to register online. There will be a lot of drop/add activity during the first week, persistence usually pays off. Remember that the class is offered both in the regular onground lecture format (SLN 10316) and also as an online/hybrid version (SLN 20658). Both classes are basically identical. If you are registered for the online/hybrid class you are welcome to attend lecture with the regular class.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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