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Reactions with Stilbenes and Related Derivatives. Part I. Reactions of 1, 2-Dihalogeno-1, 2-bis-(4-methoxyphenyl)ethanes with Alcohols

✍ Scribed by Wadie Tadros; Raouf Ramzi Tadros; Moheb Sadek Ishak

Publisher: John Wiley and Sons
Year: 1976
Tongue: German
Weight: 430 KB
Volume: 59
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19760590603

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✦ Synopsis

Abstract

The reaction of 1, 2‐dibromo‐1, 2‐bis(4‐methoxyphenyl)ethane with alcohols was associated with rearrangement to give the corresponding bis(4‐methoxyphenyl)acetals. In boiling ethylene glycol 4,4′‐dimethoxy‐deoxybenzoin was also obtained due to an aldehyde‐ketone rearrangement. 4,4′‐Dimethoxybenzophenone was also formed being apparently derived from the acetals. The mechanism of formation of the acetals has been discussed.

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