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Note | Regular issue | Vol 57, No. 11, 2002, pp.2129-2135
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9568
Allenyl(vinyl)methane Photochemistry. Photochemistry of 2-(3,4-Pentadienylidene)indan-1,3-dione Derivatives

Takashi Tsuno* and Kunio Sugiyama

*Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, 1-2-1, Izumi-cho, Narashino, Chiba 275-8575, Japan

Abstract

2-(3,4-Pentadienylidene)indan-1,3-dione derivatives underwent the photochemical intramolecular oxa-Diels-Alder reaction to produce pyrans. The oxa-Diels-Alder reaction proceeded via the singlet-excited state.