Procedure for the preparation of nitroxyl radicals of sterically hindered amines
US5218116A · kind A · utility
6Cited by
3References
21Claims
0Family size
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Key dates
| Filing date | Nov 29, 1991 |
| Grant date | Jun 8, 1993 |
| Priority date | — |
| Expiry date | Nov 29, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/94
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Procedure for the preparation of nitroxyl radicals of sterically hindered amines, consisting of the reaction of amines with hydrogen peroxide in the presence of a titanium containing catalyst, particularly in the presence of titanium silicalites. The catalyst can be recovered at the end of the reaction and recycled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.