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Communication | Special issue | Vol 47, No. 1, 1998, pp.133-137
Published online, 1st January, 1970
DOI: 10.3987/COM-97-S(N)50
Silica Gel-promoted Synthesis of 1,4-Oxa-thiane Derivatives from β,β'-Dichloro Sulfides

Satoshi Minakata, Masatoshi Mihara, Nozomu Sugoh, and Mitsuo Komatsu*

*Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Toyonaka, Osaka 560-0043, Japan

Abstract

Treatment of bis(2-chloro-2-phenylethyl) sulfide, prepared from SCI2 and styrene, with commercially available silica gel in n-hexane and benzene at 30°C for 6 h gave 2,6-diphenyl-1,4-oxathiane in quantitative yield. The cyclization was successfully applied to other β,β’-dichloro sulfides, affording 1,4-oxathiane derivatives.