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Synthesis 2004(9): 1466-1470
DOI: 10.1055/s-2004-822360
DOI: 10.1055/s-2004-822360
PAPER
© Georg Thieme Verlag Stuttgart · New York
A Convenient Synthesis of Coumarins by Palladium(II)-Catalyzed Reaction of Phenols with Propiolic Acids
Further Information
Received
14 April 2004
Publication Date:
12 May 2004 (online)
Publication History
Publication Date:
12 May 2004 (online)
Abstract
A direct route to coumarin derivatives from phenols and propiolic acids has been developed. Phenols react with propiolic acids in the presence of Pd(OAc)2 as a catalyst to give coumarins in good yields. The simple process occurs under mild conditions without any additives.
Key words
palladium - C-H activation - coumarins - phenols - propiolic acids
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