Process for the manufacture of aromatic nitriles
US4192800A · kind A · utility
1Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1978 |
| Grant date | Mar 11, 1980 |
| Priority date | — |
| Expiry date | Jul 28, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B43/42
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process for the manufacture of aromatic nitriles by reacting an aromatic halogen compound with formaldoxime in the presence of a copper catalyst and an acid-binding agent, preferably a tertiary amine. Particularly applicable to replacement of halogen ortho to the azo linkage of an azo dyestuff by cyano.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.