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Communication | Regular issue | Vol 31, No. 3, 1990, pp.443-446
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5320
■ Stereoselective Reduction of t-Butyldimethylsiloxy Group of Ethyl 2-Trichloromethyl-4-t-butyldimethylsiloxy-1,3-dioxan-4-acetates

Koichi Homma and Teruaki Mukaiyama*

*Department of Applied Chemistry, Faculty of Science, Science University of Tokyo, Kagurazaka, Shinjuku-ku, Tokyo 162, Japan

Abstract

t-Butyldimethylsiloxy group of ethyl 4-t-butyldimethylsiloxy-2-trichloromethyl-1,3-dioxan-4-acetates, easily prepared from 2-trichloromethyl-1,3-dioxan-4-ones, was stereoselectively reduced with triethylsilane by using titanium tetrachloride s a promoter to afford ethyl cis-2-trichloromethyl-1,3-dioxan-4-acetaes.