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Communication | Regular issue | Vol 29, No. 10, 1989, pp.1857-1860
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5092
Photochemical [2+2]- and [4+2]Cycloadditions of N-Methylphthalimide to Allytrimethylsilane

Yasuo Kubo,* Eiko Taniguchi, and Takeo Araki

*Department of Chemisttry, Faculaty of Science, Shimane University, 1060, Nishikawatsu-cho, Matsue 690-0823, Japan

Abstract

Irradiation of N-methylphthalimide (1) with allyltrimethylsilane (2) gave a [2+2]cycloadduct (9) possibly from the singlet excited state of 1 together with [4+2]-cycloadducts (3a,b) from the triplet excited state of 1. The adduct 9 was found to be extremely photoreactive.