Reactions of 3-acylchromones with dimethyl 1,3-acetonedicarboxylate and 1,3-diphenylacetone: one-pot synthesis of functionalized 2-hydroxybenzophenones, 6H-benzo[c]chromenes and benzo[c]coumarins†
Abstract
Reactions of 3-methoxalyl-, 3-polyfluoroacyl- and 3-aroylchromones with