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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 12, 1982 - Issue 14
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Original Articles

A Simplified Wittig Synthesis Using Solid/Liquid Transfer Processes

III‐ The use of a protic solvent for the preferential synthesis of E-alkenes

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Pages 1115-1120 | Published online: 05 Dec 2006
 

Abstract

The use of a solid-liquid phase transfer process led to the selective preparation of Z-olefins (ratio Z:E=4:1) in high yields from aromatic or aliphatic aldehydes and a phosphonium salt in alkaline media (1–4). A further advantage of the method is the possible use of non anhydrous solvents.

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