Chemical Reactivity of Oxidation Products of the Dithiolanylidenemalonate Fungicide, Isoprothiolane

…, F Ishibashi, T Shiotsuki, E Kuwano…

Index: Ikeda, Yukari; Ishibashi, Fumito; Shiotsuki, Takahiro; Kuwano, Eiichi; Eto, Morifusa Bioscience, Biotechnology, and Biochemistry, 1993 , vol. 57, # 2 p. 288 - 293

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Abstract

Diisopropyl dithiolanylidenemalonate (isoprothiolane) was oxidized with m- chloroperbenzoic acid to give a monosulfoxide, disulfoxide, and disulfone. The monosulfoxide was subjected to addition reactions with such nucleophiles as methanol, thiols, and amines at the thioacetal carbon to open the dithiolane ring, affording a thiosulfinate, sulfinate and disulfide. The presence of a small amount of sodium carbonate ...