Process for the preparation of halogenated aromatic primary amines
US4960936A · kind A · utility
2Cited by
6References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 19, 1988 |
| Grant date | Oct 2, 1990 |
| Priority date | — |
| Expiry date | Dec 19, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/365
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The catalytic hydrogenation of halogenated nitro aromatics using Raney nickel in the presence of a formamidine salt as dehalogenation inhibitor affords halogenated aromatic primary amines in high yields and high chemical purity within short reaction times even at elevated temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.