Process for preparing higher purity azo compounds

Details Process for preparing higher purity azo compounds Process for preparing higher purity azo compounds

1974-04-02

1976-02-10

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260208, 260 928W, C07C10702

Patent

active

039376966

ABSTRACT:
After an azonitrile is prepared by coupling an aminonitrile in the presence of a hypochlorite, the reaction mixture is acidified to a pH of 4 or less and an alkali metal, alkaline earth metal or quaternary ammonium nitrite, sulfite, bisulfite or thiosulfate, sulfur dioxide, nitrogen oxide, oxalic acid, formaldehyde or hydroxylamine is added as a reducing agent.

REFERENCES:
patent: 3170913 (1965-02-01), De Benneville et al.
patent: 3207714 (1965-09-01), De Benneville et al.
patent: 3783148 (1974-01-01), Fuchs

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