Synthesis of the unusual product of the photolysis of 6-methoxybenzofuran-2,3-dione and styrene

摘要

The structure 1, assigned by Paknikar and Kirtany (Photochem Photobiol, 35, 1982,741) to one of the products, 3-(2'-hydroxy-4'-methoxyphenyl)-4-phenyl-2(5H)-furanone obtained by the photolysis of 6-methoxybenzofuran-2,3-dione and styrene, has been confirmed by synthesis.