Photochemistry of epoxyquinones. 2. Photoinduced cycloaddition reactions of aryl- or alkyl-substituted 2,3-epoxy-2,3-dihydro-1,4-naphthoquinones with olefins
PHOTOLYSIS OF 2,3-DIPHENYLNAPHTHOQUINONE OXIDE: TRAPPING OF A BENZ[<i>d</i>]OXEPINE-1,5-DIONE, A SEVEN-MEMBERED MESOIONIC SYSTEM
作者:Hiroshi Kato、Kei Yamaguchi、Hiroshi Tezuka
DOI:10.1246/cl.1974.1089
日期:1974.9.5
Photolysis of 2,3-diphenylnaphthoquinone oxide resulted in carbon–carbon bond cleavage to give a seven-membered mesoionic benz[d]oxepine-1,5-dione intermediate, which was trapped by N-phenylmaleimide and norbornadiene.