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Communication | Regular issue | Vol 48, No. 2, 1998, pp.227-234
Published online, 1st January, 1970
DOI: 10.3987/COM-97-8052
Exclusive cis-1,4-Addition Reaction in the Bromination of 2,5-Bis(trimethylsilyl)-thiophene Monooxide

Shao-Zhong Zhang, Soichi Sato, Ernst Horn, and Naomichi Furukawa*

*Tukuba Advanced Research Alliance Center, Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan


2,5-Bis(trimethylsilyl)thiophene monooxide (1) underwent a 1,4-addition reaction with Br2 to give stereospecifically 2,5-bis(trimethylsilyl)-2,5-cis-dibromothiolene monooxide (2) in quantitative yield.