Organic Chemistry Frontiers Pub Date : 03/31/2015 00:00:00 , DOI:10.1039/C5QO00029G
Abstract
A silver-promoted decarboxylative annulation of alkynoates with 2-oxoacetic acids leading to the formation of 3-acyl-4-arylcoumarins is reported. The process involves radical decarboxylative acylation, 5-exo cyclization, and ester migration.
