A NEW REAGENT FOR THE SYNTHESIS OF PYRAZOLO[4,3-e][1,2,4]TRIAZOLO[1,5-c]PYRIMIDINES

Khidmet Safar Shikhaliev, Evgeniya Andrey Kosheleva, Lyudmila Fyodor Ponomaryeva, Michael Yuri Krysin

Abstract


Tandem reaction of N'-(4-cyano-1-phenyl-1H-pyrazol-5-yl)-N,N-dimethylimidoformamide 6 with acylhydrazines in N,N-dimethylacetamide leads to the formation of 2-R-7-phenyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidines (10a-f).

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DOI: http://dx.doi.org/10.17628/ecb.2015.4.460-462

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