Aminonitrile production
US5986127A · kind A · utility
29Cited by
12References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1999 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Mar 15, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for selectively hydrogenating a dinitrile to an aminonitrile is provided. The process comprises contacting a dinitrile with a hydrogen-containing fluid in the presence of a solvent comprising an alcohol or liquid ammonia, at least one metal catalyst, and a carbonyl group-containing additive such as, for example, organic amides, organic esters, salts of carboxylic acids or urea.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.