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Versatile One-Pot Synthesis of 3-Alkenylcoumarins

✍ Scribed by Pia Königs; Olivia Neumann; Kristina Hackelöer; Olga Kataeva; Siegfried R. Waldvogel

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
177 KB
Volume
2008
Category
Article
ISSN
1434-193X

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✦ Synopsis

Abstract

A variety of 2‐acyl‐, 2‐aroyl‐ and 2‐formyl‐substituted phenols are converted in a one‐pot reaction with α,β‐unsaturated carboxylic acid chlorides into the corresponding 3‐alkenylcoumarins. Especially the labile 3‐vinylcoumarins are readily available by the simple to perform protocol. If longer alkenyl chains are involved in position 3, small molecules with excellent organo gelating properties are established. The mode of action for such aggregates is confirmed by X‐ray analysis of an analogue.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)

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