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Synthesis 2005(8): 1261-1264
DOI: 10.1055/s-2005-865301
DOI: 10.1055/s-2005-865301
PAPER
© Georg Thieme Verlag Stuttgart · New York
Reactions of α-Hydroxyketene Dithioacetals with Lawesson’s Reagent: An Efficient Method for the Synthesis of α,β-Unsaturated Dithioesters
Further Information
Received
10 March 2004
Publication Date:
07 April 2005 (online)
Publication History
Publication Date:
07 April 2005 (online)
Abstract
The α-hydroxyketene dithioacetals 2 and 5, obtained from α-oxoketene dithioacetals by the 1,2-reduction or the 1,2-addition of carbon nucleophiles, on treatment with Lawesson’s reagent afforded α,β-unsaturated dithioesters 3 and 6 in good yields.
Key words
ketene dithioacetals - dithiocarboxylates - Lawesson’s reagent - thionation - heterodienes
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