Grignard reagents prepared from 5-halopentan-2-one propylene ketals
US4400524A · kind A · utility
3Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1981 |
| Grant date | Aug 23, 1983 |
| Priority date | — |
| Expiry date | Sep 15, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F3/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing 19-norandrostenedione. Also provides key intermediates of 19-norandrostenedione and methods for preparing them in high yields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.