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ASUC chem 12

ASUC chem 12 - CHEMISTRY 3B Professor Peter Vollhardt...

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CHEMISTRY 3B Professor Peter Vollhardt 10/07/08 Lecture 12 ASUC Lecture Notes Online is the only authorized note-taking service at UC Berkeley. Do not share, copy or illegally distribute (electronically or otherwise) these notes. Our student-run program depends on your individual subscription for its continued existence. These notes are copyrighted by the University of California and are for your personal use only. D O N O T C O P Y Sharing or copying these notes is illegal and could end note taking for this course. ANNOUNCEMENTS Here are the midterm results: Average = 135.54 SD = 54.9 Max = 248 Min = 13 There is a correlation between attending class and doing well on the exam, so I highly suggest that you attend class if you have not done so. Also, it is important to work on many problems, and cramming is not likely to work. Another thing I found out was that the review session was poorly attended. It is complementary to what I do here; mechanistic arrows, for instance, are not covered in the lecture notes. LECTURE Alkylation Alkylation of enolates can be difficult to control 1. Enolate ion is a strong base: E2 problems a. Alkylatino best when using halomethanes, primary haloalkanes or allylic halides 2. Aldehydes are attacked by enolates at carbonyl carbon, “Aldol condensation” a. Better to use less reactive (at
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  • Fall '08
  • pederson
  • Carbonyl, Aldehyde, UC Board of Regents, ASUC Lecture Notes, Lecture Notes Online, alpha-beta unsaturated carbonyls

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ASUC chem 12 - CHEMISTRY 3B Professor Peter Vollhardt...

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