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Reactions of 2-chloronicotinoyl isothiocyanate and 2,6-dimethyl-4-chloronicotinoyl isothiocyanate with thiols and sodium hydrogen sulfide

D. Koščík and P. Kristian

Department of Organic Chemistry and Biochemistry, Faculty of Natural Sciences, P. J. Šafárik University, CS-041 67 Košice

 

Abstract: The reactions of 2-chloronicotinoyl and 2,6-dimethyl-4-chloronicotinoyl isothiocyanates with thiols affording the corresponding 2-alkyl(aryl)thio-4-oxopyridothiazines, i.e. I and II, were studied. In the reaction of 2-chloronicotinoyl isothiocynate it was possible to isolate dithiocarbamates as intermediates. Halonicotinoyl isothiocyanates reacted similarly with NaHS to give 2-thio-4-oxopyridothiazines, i.e. III.

Full paper in Portable Document Format: 381a111.pdf

 

Chemical Papers 38 (1) 111–117 (1984)

Thursday, May 19, 2022

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