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Communication | Regular issue | Vol 2, No. 5, 1974, pp.631-637
Published online, 1st January, 1970
DOI: 10.3987/R-1974-05-0631
Derivatives of 1,2-Dithiole-3-thiones. VIII. Reduction of N-Benzenesulfonyl Thione S-Imides with Trivalent Phosphines

Seizo Tamagaki, Keishi Sakaki, and Shigeru Oae*

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan


The reduction of N-benzenesulfonyl thione S-imide (I) with trivalent phosphines was kinetically studied. The reaction is considered to proceed via the formation of a metastable 1,3-dipolar adduct of (I) and the phosphine. Meanwhile, the addition of protic acid to the reaction mixture was found to change the pattern of the reaction.