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Synthesis 2005(8): 1231-1233
DOI: 10.1055/s-2005-865282
DOI: 10.1055/s-2005-865282
SHORTPAPER
© Georg Thieme Verlag Stuttgart · New York
An Efficient and Practical Procedure for the Synthesis of 4-Substituted Coumarins
Further Information
Received
19 October 2004
Publication Date:
23 March 2005 (online)
Publication History
Publication Date:
23 March 2005 (online)
Abstract
BiCl3 is used as an efficient catalyst in the Pechmann condensation reaction of phenols with β-keto esters leading to the formation of coumarin derivatives in excellent yields under solvent-free conditions.
Key words
phenols - β-keto ester - Pechmann reaction - bismuth(III) chloride - coumarin
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