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Communication | Regular issue | Vol 24, No. 12, 1986, pp.3347-3350
Published online, 1st January, 1970
DOI: 10.3987/R-1986-12-3347
Regioselective Thio-Claisen Rearrangement via S-Allyl Ketene-S,N-acetals Generated from Cyclic S-Allylmonothiodicarboximide Salts

Hiroki Takahata, Yasunori Banba, Mayumi Mozumi, and Takao Yamazaki*

*Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama, Toyama 930-0194, Japan

Abstract

Thio-Claisen rearrangement via S-allyl ketene-S,N-acetals generated from cyclic S-allylmonothiodicarboximide salts with a base furnished the S→C allylic rearranged products exclusively.