Paul Erdman - The Reaction of Hydrazine with a-Cyanocinnamate Esters: A Caveat.

Version 1

      Publication Details (including relevant citation   information):

      Synth. Commun. 2004, 34,   1163-1171.

      Abstract:

      agr-Cyanocinnamate   esters react with hydrazine to give initial products of conjugate   addition that then undergo a fragmentation to give the azine of   the carbonyl precursor to the starting ester, rather than   intramolecular aminolysis to give the pyrazolidinone.

      Address (URL): http://www.informaworld.com/smpp/content~db=all~content=a713749041