Process for the preparation of 3-arylbenzofuranones
US5607624A · kind A · utility
15Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1994 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | Sep 12, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of compounds of formula I ##STR1## wherein the general symbols are as defined in claim 1, which comprises reacting a compound of formula III ##STR2## wherein the general symbols are as defined in claim 1, with a compound of formula IV EQU [H].sub.n --R.sub.1 (IV).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.