Production of optically active cyclopentenolones
US4552703A · kind A · utility
2Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1984 |
| Grant date | Nov 12, 1985 |
| Priority date | — |
| Expiry date | Apr 16, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/64
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Optically active cyclopentenolones, useful as an intermediate to be directed to pyrethroid insecticide, are produced starting from the optically active cyclopentenolones with the opposite configuration, through the formation of their nitrate ester, followed by the hydrolysis with inversion of configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.