Browsing by Author "Usha K. Tiwari"
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PublicationArticle Synthesis of S-((Arylamino)formimidoyl)-2-thiobarbituric Acid Hydrochloride Antituberculous Agents(1985) Pramod K. Srivastava; Usha K. TiwariVarious S -((arylamino)formimidoyl)-2-thlobarbituric acid hydrochlorides have been synthesized by the condensation of corresponding arylcyanamides with 2-thlobarbituric acid and 1-substituted-2-thlobarbituric acids. Precursors required In these syntheses were prepared by already known methods. © 1985, American Chemical Society. All rights reserved.PublicationArticle Synthesis of Some 3-(Arylimino)-5-(ethylethylidenehydrazido)-1,2,4-dithiazolidines(1985) S.K. Ral; Usha K. Tiwari; P.K. SrivastavaThe synthesis of 3-(arylimino)-5-(ethylethylldenehydrazido)-1,2,4-dithlazolidines has been described by the oxidative debenzylation of the corresponding 1-(ethylethyldeneamino)-5-ary1-2-S-benzyllso-4-thio- These compounds have been characterized by the direct oxidation of the corresponding 2,4-dithioblurets and also by IR spectra. © 1985, American Chemical Society. All rights reserved.