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Title: A convenient synthesis of 3,5-diarylthieto[2,3-d]thiazole-2-thiones, and expansion of their thiete ring with carbon disulphide
Authors: Yadav, L D S
Dubey, Suman
Singh, Smita
Issue Date: Jun-2002
Publisher: CSIR
Abstract: 3-Aryl-5-arylidenerhodanines 3a-f react with 0,0-diethyl hydrogen phosphorodithioate 4 to yield 3,5-diarylthieto[2,3-d]thiazole-2-thiones 6a-f in a one-pot procedure. The compounds 6a-f undergo expansion of their thiete ring by the reaction with carbon disulphide, catalysed by lithium iodide, to afford the corresponding 3,7-diarylthiazolo[4,5-d]-1,3-dithiin-2,5- dithiones 7a-f in high yields under mild conditions.
Page(s): 1234-1237
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.41B(06) [June 2002]

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