74306-77-7Relevant articles and documents
INVESTIGATIONS IN THE SERIES OF ARYLHYDRAZONES OF SUBSTITUTED GLYOXYLIC ACIDS. XXVI. REACTION OF ETHYL CYANOPYRUVATE WITH ARENEDIAZONIUM SALTS
Dubenko, R. G.,Konysheva, V. D.,Pel'kis, P. S.
, p. 751 - 757 (2007/10/02)
Ethyl sodiocyanopyruvate reacts with arenediazonium salts in a neutral medium (pH ca. 7) to form ethoxalylglyoxylonitrile arylhydrazones.The action of 15percent aqueous alkali or small amounts of sulfuric acid on the ethoxalylglyoxylonitrile arylhydrazone