Regioselective single-reactor synthesis of arylsulfonyl derivatives of 3,5-diamino-1,2,4-triazole
作者:V. M. Chernyshov、G. V. Kozlenko、V. A. Taranushich
DOI:10.1134/s107042721102011x
日期:2011.2
Arylsulfonylation of 1-acetyl-3,5-diamino-1,2,4-triazole with arylsulfonyl chlorides in pyridine, with the subsequent hydrolysis of the acetyl group, was studied; a new regioselective method for synthesis of N-(5-amino-1H-1,2,4-triazol-3-yl)arylsulfonamides was developed.
研究了在吡啶中1-乙酰基-3,5-二氨基-1,2,4-三唑与芳基磺酰氯的芳基磺酰化反应,随后乙酰基水解;开发了一种新的区域选择性合成N-(5-氨基-1 H -1,2,4-三唑-3-基)芳基磺酰胺的方法。
Regiospecific Synthesis of<i>N</i>-Sulfonyl Derivatives of 3,5-Diamino-1<i>H</i>-1, 2,4-triazole and 2,5-Diamino-1,3,4-thiadiazole
作者:Shailaja P. Maybhate、Pattuparambil P. Rajamohanan、Srinivasachari Rajappa
DOI:10.1055/s-1991-26426
日期:——
Condensation of the S,S-dimethyl N-(alkylsulfonyl)carbondithioimidates 1 with aminoguanidine bicarbonate and hydrazinecarbothioamide leads to the regiospecific synthesis of N-sulfonyl derivatives of 3,5-diamino-1H-1,2,4-triazole 2 and 2,5-diamino-1,3,4-thiadiazole 3, respectively.
Functionalized azoles and triazolo[1,5-a]pyrimidines as latent leishmanicides
作者:Vishnu Ji Ram、Srivastava Pratibha、Sunil K. Singh、Mamta Kandpal、B.L. Tekwani
DOI:10.1016/s0960-894x(97)00166-2
日期:1997.4
Triazolo[1,5-a]pyrimidine (3-6), benzoxazole (7a,b) and benzimidazole (7c) derivatives have been synthesized and evaluated for their in vitro leishmanicidal activity against L. donovani promastigotes. (C) 1997 Elsevier Science Ltd.
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作者:KLESCHICK W. A.、 VINOGRADOFF A. P.、 DUNBAR J. E.