Process for the manufacture of aromatic nitriles

Details Process for the manufacture of aromatic nitriles Process for the manufacture of aromatic nitriles

1979-07-27

1980-09-16

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260206, 260207, 2602071, 2602075, 260208, 260465R, 260465B, C07C12000, C09B 4300

Patent

active

042229359

ABSTRACT:
A process for the manufacture of aromatic nitriles by reacting an aromatic halogen compound with formamide and the anhydride of a monocarboxylic acid in the presence of a copper catalyst and an acid-binding agent. Particularly applicable to replacement of halogen ortho to the azo linkage of an azo dyestuff by cyano.

REFERENCES:
patent: 2042451 (1936-06-01), Bond et al.
patent: 2429262 (1947-10-01), Fallows et al.
patent: 3417124 (1968-12-01), Rohll et al.
patent: 3968099 (1976-07-01), Leverenz
Deschamps, Chemical Abstracts, vol. 25, 3620 (1931).
Hatano et al., Chemical Abstracts, vol. 51, 10015g (1957).

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