All melting points are uncorrected. General Procedure for Hydrazides.-A niivttire of one mole of the ethyl ester of the desired acid, 2.5 nioles of 85yo hydrazine hydrate and 300 cc. of 95% ethanol was heated to boiling under reflux for six hours and allowed to stand overnight. The reaction mixture was concentrated from a steam-bath under reduced pressure until nothing further distilled, and the residue was poured into two liters of cold water with ...
