Spiro Heterocyclization of 1-Antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones with Dimedone
摘要
Abstract
1-Antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones reacted with dimedone (5,5-dimethylcyclohexane-1,3-dione) to give 1′-antipyryl-3′-aroyl-4′-hydroxy-6,6-dimethyl-6,7-dihydrospiro[benzofuran-3,2′-pyrrole]-2,4,5′(1′H,5H)-triones.