N. Tsubokawa, N. Takeda
Dec 5, 1979
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Journal
Chemistry Letters
Abstract
In the presence of carbon black, the two-phase dehydrogenation of hydrazobiscyclohexanenitrile and hydrazobisisobutyronitrile in organic solvent by an aqueous solution of potassium ferricyanide gave the corresponding azo-compound in a good yield. It became apparent that the two-phase dehydrogenation of the hydrazines was catalyzed by phenolic hydroxyl groups on the carbon black surface.