82819-96-3Relevant articles and documents
SYNTHESIS WITH 3-AMINOPYRAZOLE. I. METHODS FOR THE SYNTHESIS OF HYDROXY AND AMINO DERIVATIVES OF PYRAZOLOPYRIMIDINES
Gavrilenko, B.B.
, p. 934 - 938 (2007/10/02)
3-Aminopyrazoles react with 1,3-dicarbonyl compounds, cyanoacetic ester, ethyl acrylate, and derivatives of phenylpropiolic acid with subsequent elimination of water or ethanol.Intermediate ethyl 1-pyrazolopropionates or 3-phenylpropiolamidopyrazoles can