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Communication | Regular issue | Vol 36, No. 12, 1993, pp.2677-2680
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6530
Synthesis of the First Examples of 1-Benzosilepine, 1-Benzogermepine, and 1-Benzarsepine Ring System

Jyoji Kurita, Shinichi Shiratori, Shuji Yasuike, and Takashi Tsuchiya*

*Faculty of Pharmaceutical Sciences, Hokuriku University, 3-Ho, Kanagawa machi, Kanazawa 920-1181, Japan


The first synthesis of 1,1-dimethyl-1-benzosilepine, 1,1-dimethyl-1-benzogermepine, and 1-phenyl-1-benzarsepines was achived by flash vacuum pyrolysis of the dihydrocyclobut[b]benzoheteroles (4, 7), prepared from the corresponding 1-benzoheteroles via three steps.