Carbonate-mediated hydrogen peroxide oxidation of 4-acylamino-2,2,6,6-tetramethylpiperidine
US5777126A · kind A · utility
7Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1997 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Apr 21, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/58
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An environmentally friendly process is described for the preparation of 4-acyl-amino-2,2,6,6-tetramethylpiperidine-N-oxyl by the carbonate-mediated hydrogen peroxide oxidation of 4-acylamino-2,2,6,6-tetramethylpiperidine. The reaction can also be run in the absence of any catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.