1192571-44-0Relevant articles and documents
Synthesis and structural characterization of pyrazol-1′-ylpyrazolo[1,5-a]pyrimidines by multinuclear NMR spectroscopy
Aggarwal, Ranjana,Sumran, Garima,Claramunt, Rosa M.,Sanz, Dionisia,Elguero
, p. 96 - 102 (2009)
3(5)-Amino-5(3)-hydrazinopyrazole dihydrochloride (8) reacts with pentane-2,4-dione (9a) to afford 2-(3′,5′-dimethylpyrazol-1′-yl)-5,7-dimethylpyrazolo[1 ,5-a]pyrimidine (10a) instead of the 3-(3′,5′-dimethylpyrazol-1′-yl)-4,6-dimethyl-1H-pyrazo lo[3,4-b]