Pechmann Reaction Promoted by Boron Trifluoride Dihydrate
The Pechmann reaction of substituted phenols 1a-e with methyl acetoacetate (2) can be activated by boron trifluoride dihydrate (3) to give the corresponding 4-methyl- coumarin derivatives 4a-e in excellent yield (98-99 %).
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2005-08-01
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Series: | Molecules |
Subjects: | |
Online Access: | http://www.mdpi.com/1420-3049/10/7/762/ |
Summary: | The Pechmann reaction of substituted phenols 1a-e with methyl acetoacetate (2) can be activated by boron trifluoride dihydrate (3) to give the corresponding 4-methyl- coumarin derivatives 4a-e in excellent yield (98-99 %). |
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ISSN: | 1420-3049 |