Bisnoraldehyde-22-enamine process
US4257949A · kind A · utility
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60Claims
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Inventor
Key dates
| Filing date | Oct 22, 1979 |
| Grant date | Mar 24, 1981 |
| Priority date | — |
| Expiry date | Oct 22, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J43/003
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process which produces bisnoraldehyde-22-enamines in high yield and sufficiently high purity for copper-catalyzed oxygenation by the process of U.S. Pat. No. 3,661,942 has been developed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.