Alkynes

11/03/1999

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Table of Contents

Nomenclature of Alkynes

Alkynes can be described as internal or terminal. If the triple bond is between two carbons, the alkyne is internal. If it is flanked by a hydrogen and a carbon, it is a terminal alkyne. The terminal hydrogen of a terminal alkyne is called the acetylenic hydrogen. In general, internal alkynes are more stable than terminal alkynes.

Acidity of Alkynes

Synthesis of Alkynes

Addition Reactions of Alkynes

Addition of HX to Alkynes

Hydration of Alkynes to Aldehydes and Ketones

Mechanism (continued):

Hydroboration-Oxidation of Alkynes

Permanganate Oxidation of Alkynes

Ozonolysis of Alkynes

Author: Dave Goodin