Tetrahedron letters

Novel photo-fragmentation of 3, 3, 6, 6-tetra (p-methoxyphenyl)-1, 2-dioxane through a C O bond cleaved 1, 6-diradical intermediate

M Kamata, T Tanaka, M Kato

Index: Kamata, Masaki; Tanaka, Takehito; Kato, Mitsuaki Tetrahedron Letters, 1996 , vol. 37, # 45 p. 8181 - 8184

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Citation Number: 5

Abstract

Photolysis and thermolysis of 3, 3, 6, 6-tetraaryl-1, 2-dioxanes were investigated. The photolysis of 3, 3, 6, 6-tetra (p-methoxyphenyl)-1, 2-dioxane afforded1, 4, 4-tri (p- methoxyphenyl)-3-buten-1-one and p-methoxyphenol through a novel C O bond cleaved 1, 6-diradical intermediate, while the thermolysis mainly afforded the expected decomposition product 4, 4′-dimethoxybenzophenone through an O O bond cleaved 1, ...

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