Method for partially hydrogenating dinitriles to aminonitriles
US5981790A · kind A · utility
4Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Sep 15, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the hemihydrogenation of aliphatic dinitriles to the corresponding aminonitriles using hydrogen in the presence of a catalyst, a strong inorganic base and water is disclosed. Using the disclosed process, a selectivity for the desired aminonitriles of at least 60% can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.