Method for preparing alkoxyamines from nitroxides
US6700007B2 · kind B2 · utility
1Cited by
3References
21Claims
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Key dates
| Filing date | Aug 8, 2002 |
| Grant date | Mar 2, 2004 |
| Priority date | — |
| Expiry date | Aug 8, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing alkoxyamines in a biphasic medium comprises mixing an ionic liquid, an organic solvent, a metal salt, a ligand for the metal, a halocarbon compound ZX and a nitroxide, keeping the reaction medium stirring at a temperature of between 20° C. and 90° C. until the nitroxide has disappeared, separating the mixture by decantation, recovering the organic phase, and optionally washing it with water and then isolating the alkoxyamine by evaporating the organic solvent under reduced pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.