Clemmensen Reaction

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Clemmensen Reaction

 

the substitution of an oxygen atom in an aldehyde or ketone group by two hydrogen atoms during interaction with amalgamated zinc and hydrochloric acid:

The Clemmensen reaction is used in laboratory organic synthesis predominantly for the preparation of fatty-aromatic hydrocarbons by the reduction of corresponding ketones. For example, an 80–percent yield of ethylbenzene is obtained from acetophenone.

The reaction was developed by the American chemist E. C. Clemmensen in 1913–14.

REFERENCE

Organicheskie reaktsii, collection 1. Moscow, 1948. Pages 194–266. (Translated from English).
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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