121883-87-2Relevant articles and documents
A New General Approach for Introducing Side Chain in Coumarins Utilising Bromozinc Enolates as Chemo-, Regio- and Sereo-selective Reagents
Dutta, Lakshmi Narayan,Sinha, Nitai Chand,Sarkar, Asoke Kumar
, p. 801 - 805 (2007/10/02)
Coumarins bearing an aromatic acyl group on reaction with bromozinc enolates give the corresponding alcohols and/or the olefin products, formed by dehydration of the alcohols in high degree of selectivities.