A new convenient synthesis of 3-hetaryl-pyrazolo[5,1-c][1,2,4]triazines
Ahmad S. Shawali
Journal of Advanced Research · 2012
doi:10.1016/j.jare.2011.07.004 (opens in a new tab)
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Abstract
Reactions of enaminones 2 with diazotized 5-amino-3-phenylpyrazole provide a convenient route to 3-[(4,5-disubstituted-pyrazol-3-yl)carbonyl]-pyrazolo[5,1-c][1,2,4]triazines. Condensation of the latter with hydrazine hydrate yielded the title compounds. The structures of the compounds prepared were elucidated on the basis of their spectral and elemental analyses.
Abstract licence: CC BY-NC-ND
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