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Communication | Special issue | Vol 54, No. 2, 2001, pp.567-570
Published online, 1st January, 1970
DOI: 10.3987/COM-00-S(I)35
Photochemistry of Heterocyclic Cage Compound: Photoreaction of 2,7-Dihydro- azepine to Give 2,3-Dihydroazepine and Photoreaction of the 2,3-Dihydroazepine to Form 1,2-Dihydroaniline

Katsuhiro Saito* and Yoshitaka Emoto

*Department of Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan

Abstract

Photoirradiation of a heterocyclic cage compound, 2,7-dihydroazepine derivative with a low pressure mercury lamp afforded a 2,3-dihydroazepine derivative. This reaction was influenced by the solvent used. On the other hand, the analogous photoirradiation of the 2,3-dihydroazepine derivative gave a 1,2-dihydroaniline derivative. An presence of triplet sensitizer promoted the reaction.