Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1980-07-14
1982-02-16
Higel, Floyd D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260155, 260156, 260205, 260206, 260207, 2602075, 260208, C09B 4300, C09B 4340
Patent
active
043158579
ABSTRACT:
A process for the synthesis of an azobenzene compound having a cyano group in one or both of the ortho positions of the diazo component radical comprising reacting the corresponding azobenzene compound having a chloro, bromo or iodo substituent in one or both of the ortho positions of the diazo component radical with a copper thiocyanate or copper thiocyanate-forming mixture of salts in the presence of an oxidizing agent (e.g., oxygen and sodium perborate), whereby the or at least one of the chloro, bromo and iodo substituents is replaced by a cyano group.
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Higel Floyd D.
Kassenoff Melvyn M.
Sandoz Ltd.
Sharkin Gerald D.
Vila Richard E.
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