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■ The Reaction of 4-Hydroxycoumarin with Acetic Anhydride and Pyridine

V. K. Ahluwalia,* Devendra Kumar, and Suman Mehta

*Department of Chemistry, University of Delhi, Delhi-110 007, India

Abstract

The reaction of 4-hydroxycoumarin (I) with acetic anhydride - pyridine afforded 4-acetoxy-3-(N-acetyl-1’,2’-dihydro-2’-pyridyl)coumarin (III) in contrast to the expected 4-acetoxycoumarin (IV). The structure of compound has been established spectroscopically.