Chemistry Letters p. 809 - 810 (1983)
Update date:2022-08-02
Topics:
Thomsen, I.
Pedersen, U.
Rasmussen, P. B.
Yde, B.
Andersen, T. P.
Lawesson, S.-O.
The reactions of LR (Lawesson's Reagent) with 4-oxocarboxylic acid derivatives I, N-acyl aminoacid derivatives III, and N-acyl-N'-ethoxycarbonylhydrazines V, smoothly produce substituted thiophenes II, thiazoles IV, and 1,3,4-thiadiazole-2(3H)-thiones VI.
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