Radical 5-exo cyclization of alkynoates with 2-oxoacetic acids for synthesis of 3-acylcoumarins?
Organic Chemistry Frontiers Pub Date: 2015-03-31 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.
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Journal Name：Organic Chemistry Frontiers
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CAS no.: 89640-58-4
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