Selective Preparation of Polycyclic Aromatic Hydrocarbons. Part 7.1 A Preparative Route to10, 11-Dihydro-5H-dibenzo [a, d] cycloheptenes using Friedel–Crafts …

T Yamato, N Sakaue, M Komine…

Index: Yamato, Takehiko; Sakaue, Naozumi; Komine, Masayasu; Nagano, Yoshiaki Journal of Chemical Research, Miniprint, 1997 , # 7 p. 1708 - 1735

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Abstract

A convenient, mild, one-pot synthesis of substituted dibenzo [a, d] cycloheptenes involving the action of ClCH 2 OMe and TiCl 4 on a variety of diphenylethanes,† which incorporates chloromethylation of a hydrocarbon followed by a Friedel–Crafts intramolecular cyclization reaction, is described.

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