Reduction of 4-oxo-tetraalkylpiperidines
US4208525A · kind A · utility
3Cited by
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8Claims
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Key dates
| Filing date | Dec 5, 1977 |
| Grant date | Jun 17, 1980 |
| Priority date | — |
| Expiry date | Dec 5, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/027
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the reduction of 4-oxo-2,2,6,6-tetraalkylpiperidines, and the N-alkyl derivatives thereof, to 2,2,6,6-tetraalkylpiperidines unsubstituted in the 4-position, wherein the reduction is carried out with catalytically activated hydrogen in an acid medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.