1649463-25-1Relevant articles and documents
New synthesis and reactions of ethyl 5-amino-4-cyano-1-phenyl-1H-pyrazole- 3-carboxylate
Gangurde, Sachin A.,Kanawade, Shrikant B.,Nikam, Prashant S.,Bhavsar, Dinesh C.,Toche, Raghunath B.
, p. 883 - 890 (2014/08/05)
Synthesis of ethyl 5-amino-4-cyano-1-phenyl-1H-pyrazole-3-carboxylate 5 has been achieved via abnormal Beckmann rearrangement of o-chloroaldehyde 1. Reaction of o-aminocarbonitrile 5 with concentrated H2SO4 furnished expected o-amino