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NUS Chemistry Module Review: CM3222 Organic Reaction Mechanisms

Workload: Very light. Few contents, even lighter than CM3231, but builds upon most of CM2121 (except the alkenes) and CM1121 which are absolutely necessary for this module. Lectures are really relaxing, because only for half of the times you are absorbing knowledge, the other half you will be trying to work out some practice problems.

Grade weightage: 5% for a 1-qn-quiz, in which you have 3 chances to get your best score. For 3rd quiz, it happens that we are allowed to take it home and submit via IVLE. 17.5% each for the CA tests, and 60% for the finals exam.

Skip Lecture?: It is webcasted, and lectures held at LT33 seems to be webcasted. However, most people turn up for the live lecture (because it is good?), and also Dr. Hoang generously prints out the notes and worksheets for everybody.

Module difficulty/ contents: It is not difficult as long as you got your foundations on organic chemistry right. However, total synthesis can be tough as usual. This module basically goes through radical reactions, participation, rearrangements, fragmentation, cycloadditions, carbenes, and methods in identifying reaction mechanisms. Highly based on Clayden textbook, and does not overlap with CM3221 (Sem 1 organic chem mod). But more importantly, this module’s main purpose is to show you that certain reactions can go awry and become unexpected compounds (hopefully you can identify why), and that mechanisms must be supported with concrete evidence for them to be valid propositions.

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