Tian Xiao-xue
2011
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Journal
Technology & Development of Chemical Industry
Abstract
By using a single factor test,2-hydroxybenzhydrazide was synthesized by methyl salicylate and hy-drazine hydrate in solvent-free environment under ultrasonic conditions.Structures of the reaction products were identified by means of micro-melting point determination and IR spectra,and the optimum synthesis reaction conditions were studied.The results showed that the volume ratio of reactant was 1∶4(no solvent),the temper-ature was 80℃,ultrasonic frequency at 45~80 kHz and the reaction time of 60 min.This method was of a significantly effective method in green chemistry.