A New Route for the Preparation of 10,11-Dihydro-5H-dibenzo[a,d]cycloheptene Using Friedel-Crafts Intramolecular Cyclobenzylation

Takehiko Yamato; Maki Fukumoto; Naozumi Sakaue; Takashi Furusawa; Masashi Tashiro

doi:10.1055/s-1991-26549

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Synthesis 1991; 1991(9): 699-700
DOI: 10.1055/s-1991-26549

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A New Route for the Preparation of 10,11-Dihydro-5H-dibenzo[a,d]cycloheptene Using Friedel-Crafts Intramolecular Cyclobenzylation

Takehiko Yamato^* , Maki Fukumoto, Naozumi Sakaue, Takashi Furusawa, Masashi Tashiro

^*Department of Industrial Chemistry, Faculty of Science and Engineering, Saga University, Honjo-machi, Saga-shi, Saga 840, Japan

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Publication Date:
29 April 2002 (online)

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A convenient preparation of 10,11-dihydro-5H-dibenzo [a,d]-cycloheptene based on a novel Friedel-Crafts intramolecular cyclobenzylation, involving five steps from 1,2-diphenylethane, is described.

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