Synthesis 2005(8): 1261-1264  
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

Satheesh K. Nair, Ann Maria Jose, C. V. Asokan*
School of Chemical Sciences, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, 686 560, India
e-Mail: asokancv@yahoo.com;
Further Information

Publication History

Received 10 March 2004
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.