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|Title:||Synthesis of 5,7-diamino1,2,4 triazolo[1,2-a1,3,5 triazines via annulation of 1,3,5-triazine ring onto 3(5)-amino-1,2,4-triazoles|
|Authors:||Dolzhenko, A.V. |
|Citation:||Dolzhenko, A.V.,Dolzhenko, A.V.,Chui, W.-K. (2007-02-01). Synthesis of 5,7-diamino1,2,4 triazolo[1,2-a1,3,5 triazines via annulation of 1,3,5-triazine ring onto 3(5)-amino-1,2,4-triazoles. Heterocycles 71 (2) : 429-436. ScholarBank@NUS Repository.|
|Abstract:||The 5,7-diamino[1,2,4]triazoeo[1,5-a][1,3,5]triazines were synthesized by cyclocondensation of 3(5)-amino-1,2,4-triazoles with cyanoguanidine. The substituted 3(5)-amino-1,2,4-triazoles were prepared from corresponding hydrazides and S-methylisothiourea via ring closure of the intermediate acylaminoguanidines. The 3,5-diamino-1,2,4-triazoles were prepared using partial aminolysis of dimethyl N-cyanodithiocarbonimidate followed by cyclization of the obtained N-substituted N′-cyano-S-methylisothioureas with hydrazine. The structures of the prepared compound were confirmed using NMR spectral data. © 2007 The Japan Institute of Heterocyclic Chemistry.|
|Appears in Collections:||Staff Publications|
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