Electrooxidative Conversion of Dibenzoylbenzene Dihydrazones into the Corresponding Bis-diazo Compounds and Bis-dimethyl Acetals
Mitsuhiro Okimoto A B , Kaori Numata A , Kenta Tomozawa A , Takamasa Shigemoto A , Masayuki Hoshi A and Yukio Takahashi AA Department of Applied and Environmental Chemistry, Kitami Institute of Technology, Koen-cyo 165, Kitami, Hokkaido 090-8507, Japan.
B Corresponding author. Email: oki@chem.kitami-it.ac.jp
Australian Journal of Chemistry 58(7) 560-563 https://doi.org/10.1071/CH05090
Submitted: 13 April 2005 Accepted: 6 June 2005 Published: 21 July 2005
Abstract
Several dibenzoylbenzene dihydrazones were electrochemically oxidized into the corresponding bis-dimethyl acetals in a methanolic solution containing sodium methoxide and a catalytic amount of KI. During electrolysis, the anolyte exhibited a characteristic deep purple colour, which strongly suggests the formation of a diazo compound as an intermediate. Such intermediates have been isolated in the electrooxidation of two dihydrazones.
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