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Communication | Regular issue | Vol 3, No. 9, 1975, pp.703-706
Published online, 1st January, 1970
DOI: 10.3987/R-1975-09-0703
Photochemical Reactions of 3-N,N-Diethylaminocyclobut-2-en-1-ones

Takehiko Nishio, Hiromu Aoyama, and Yoshimori Omote*

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan


Irradiation of 3-N,N-diethylamino-bphenyl-cyclobut-2-en-1-one (I) in methanol afforded two kinds of β-keto esters III and IV. While irradiation of 2,4-diphenyl-3-N,N-diethylamino-cyclobut-2-en-one (II) in benzene gave a furan derivative V.