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Synthesis 1991; 1991(3): 220-222
DOI: 10.1055/s-1991-26426
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Regiospecific Synthesis of N-Sulfonyl Derivatives of 3,5-Diamino-1H-1, 2,4-triazole and 2,5-Diamino-1,3,4-thiadiazole

Shailaja P. Maybhate* , Pattuparambil P. Rajamohanan, Srinivasachari Rajappa
  • *National Chemical Laboratory, Pune-411 008, India
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Publication Date:
17 September 2002 (online)

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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.