Study on Electrooxidation of Benzophenone Hydrazone to Diphenyldiazomethane
The electrocatalytic oxidation of benzophenone hydrazone for the synthesis of diphenyldiazomethane was investi-gated.To address the instability of diphenyldiazomethane,a heterogeneous electrolytic system was designed,optimizing the halogen compound,electrolyte type,solvent polarity,electrode material,control current density and reaction temperature.These measures effectively suppressed the formation of by-products such as benzylidene acetone peroxide,diphenylmethanol hydrolysis,and diphenylmethanequinone coupling,leading to a high yield of 74％for diphenyldiazomethane.Additionally,preliminary investigations were conducted on the electrochemical oxidation mechanism of benzophenone hydrazone.
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