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ISSN 2063-5346
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A NEW REAGENT FOR THE SYNTHESIS OF PYRAZOLO[4,3-e][1,2,4]TRIAZOLO[1,5-c]PYRIMIDINES

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Khidmet S. Shikhaliev[a], Evgeniya A. Kosheleva[a], Lyudmila F. Ponomaryeva[a], Michael Yu. Krysin[a]*

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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