Tetrahedron

Tributyltin (IV) hydride mediated free-radical syntheses of dehydrodibenzochromanones, dehydrodibenzocoumaranones and aristolactams

JC Estévez, MC Villaverde, RJ Estévez, L Castedo

Index: Estevez, Juan C.; Villaverde, M. Carmen; Estevez, Ramon J.; Castedo, Luis Tetrahedron, 1995 , vol. 51, # 14 p. 4075 - 4082

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Citation Number: 19

Abstract

We describe free radical cyclization of methyl bromophenylacetylphenylacetates to novel dehydrodibenzo [de, g] chromanones; oxidation of the latter compounds allowed the first total synthesis of dehydrodibenzo [cd, f] coumaranones, which are easily transformed into aristolactams.