A new access to 1,3-dithiol-2-ylidenes from S-propargyl dithiocarbonates (xanthates)

Heating a propargylic xanthates 1 in toluene or chlorobenzene in the presence of an active methylene compound produces a 1,3-dithiol-2-ylidene 6 through a series of steps involving betaine 3. Graphic

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Bibliographic Details
Published inTetrahedron letters Vol. 36; no. 29; pp. 5171 - 5174
Main Authors Boivin, Jean, Henriet, Eric B., Zard, Samir Z.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 17.07.1995
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Summary:Heating a propargylic xanthates 1 in toluene or chlorobenzene in the presence of an active methylene compound produces a 1,3-dithiol-2-ylidene 6 through a series of steps involving betaine 3. Graphic
ISSN:0040-4039
1873-3581
DOI:10.1016/0040-4039(95)00939-A