Master Organic Chemistry Reaction Guide

Wolff Rearrangement

…carbon. This is called the Wolff rearrangement. The rest of this page is available to MOC Members only. To get access to this page, plus over 1500 quizzes, the Reaction…

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Hydrohalogenation of Alkynes

…10.1021/ja00040a077 The short length of this JACS communication belies the difficulty of this experimental work! This paper describes an X-ray structure of the addition complex between HCl and an alkyne,…

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Alkyne Hydroboration With “R2BH”

…hydroboration of alkynes, and it often appears in class notes and exams, in practice it’s more common to use dialkylboranes (R2BH) for hydroboration of alkynes. In a dialkylborane, two of…

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Allylic Bromination

completion of Propagation Step #1.[Note 3].This keeps the concentration of Br2 low and allows the free-radical reaction to out-compete the alkene addition reaction.   In all other respects the allylic…

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Bonus Topic: Allylic Rearrangements

…In the last post on allylic bromination, the examples used were actually quite simple. For example, if you take cyclopentene and treat with NBS and light (hv) in carbon tetrachloride…

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