5??Mercapto??1, 3, 4??thiadiazole??2 (3H)??thione: Synthesis and Structure of Alkylated Derivatives

JK Mistry, R Dawes, A Choudhury…

Index: Mistry, Jigar K.; Dawes, Richard; Choudhury, Amitava; Van De Mark, Michael R. Journal of Heterocyclic Chemistry, 2014 , vol. 51, # 3 p. 747 - 754

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Abstract

Abstract The observed structure of 1, 3, 4-thiadiazolidine-2, 5-dithione (also known as 2, 5- dimercapto-1, 3, 4-thiadiazole) has been previously reported in three different tautomeric forms including—dithiol and—dithione. This report examines the relative stability of each form and also reports synthesis and characterization of the structures of mono-alkylated and di-alkylated forms of 5-mercapto-1, 3, 4-thiadiazole-2 (3H)-thione. The methods of X-ray ...