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|Title:||Practical synthesis of regioisomeric 5(7)-amino-6,7(4,5)-dihydro[1,2,4]triazolo[1,5-a][1,3,5]triazines|
|Authors:||Dolzhenko, A.V. |
|Source:||Dolzhenko, A.V., Dolzhenko, A.V., Chui, W.-K. (2007-12-24). Practical synthesis of regioisomeric 5(7)-amino-6,7(4,5)-dihydro[1,2,4]triazolo[1,5-a][1,3,5]triazines. Tetrahedron 63 (52) : 12888-12895. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tet.2007.10.046|
|Abstract:||A convenient and efficient synthesis of new 5-azapurine derivatives was developed. The regioisomeric 5-amino-6,7-dihydro- and 7-amino-4,5-dihydro[1,2,4]triazolo[1,5-a][1,3,5]triazines were prepared in 3-4 steps from benzhydrazide via complementary and regiospecific routes as a part of our lead finding program. The molecular structures and tautomeric preferences of the compounds obtained were investigated using NMR spectral data and X-ray crystallography. © 2007 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Staff Publications|
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