Tetrahedron Letters p. 2763 - 2766 (1993)
Update date:2022-08-02
Topics:
Boivin, Jean
Henriet, Eric
Tailhan, Catherine
Zard, Samir Z.
Upon heating in chlorobenzene in the presence of a carboxylic acid, propargylic xanthates 1b-h give the corresponding 1,3-dithiol-2-ones 10b-h and/or 11b-h, the former being easily isomerised to the latter with hot trifluoroacetic acid.
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(1960)
