Alum-Catalyzed One-Pot Synthesis of Dihydropyrano[3,2-b]chromenediones

作者:Li, Wei Lin; Wu, Li Qiang*; Yan, Fu Lin
来源:Journal of the Brazilian Chemical Society, 2011, 22(11): 2202-2205.
DOI:10.1590/S0103-50532011001100025

摘要

A simple, green and efficient solventless procedure for the synthesis of eleven dihydropyrano[3,2-b]chromenediones from the three-component condensation reaction of kojic acid, aromatic aldehydes, and dimedone using a reusable alum as catalyst is described.

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