Process for 5-fluoro-6-chlorooxindole
US5210212A · kind A · utility
1Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1992 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Aug 14, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C239/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the production of 5-fluoro-6-chloro- oxindole, (III), which is useful in the synthesis of certain analgesic and antiinflammatory agents, via two different synthetic pathways. Compounds of formula (I) and (II) shown below ##STR1## which are intermediates in the process of this invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.