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 %).

Bibliographic Details
Main Authors: J. Mezger, E. Stoyanov
Format: Article
Language:English
Published: MDPI AG 2005-08-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/10/7/762/
Description
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 %).
ISSN:1420-3049