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Electrooxidative Conversion of Dibenzoylbenzene Dihydrazones into the Coreesponding Bis-Diazo Compounds and Bis-Dimethyl Acetals

Okimoto M., Numata K., Takahashi Y.

Polish Journal of Chemistry

2005

Vol. 79 / nr 9

1477-1482

Several dibenzoylbenzene dihydrazones were electrochemically oxidized into the corresponding bis-dimethyl acetals in a methanolic solution containing sodium methoxide and catalytic amount of KI. During electrolysis, the anolyte exhibited a characteristic deep purple, which strongly suggested that formation of a diazo compound as an intermediate. Interestingly, some of the diazo compounds could be isolated directly from the anolyte