Sandrinelli F, Fontaine G, Perrio S, Beslin P. Highly Chemoselective Oxidation of Dithioester Enethiolates to Sulfenates: Application to the Synthesis of Ketene Dithioacetal S-Oxides.
J Org Chem 2004;
69:6916-9. [PMID:
15387625 DOI:
10.1021/jo0492362]
[Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enethiolates derived from dithioesters were efficiently converted into the corresponding vinyl sulfenates by oxidation with a unique N-sulfonyloxaziridine 1a derived from pinacolone. Subsequent alkylation with alkyl halides led to ketene dithioacetal S-oxides in good to excellent yields.
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