Phenylacetic acid derivatives, preparation thereof and intermediates therefor, and compositions containing them
US6100263A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1999 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Jun 16, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phenylacetic acid derivatives of the formula I ##STR1## where the substituents and the index have the following meanings: X is oxygen or sulfur; PA0 R is hydrogen or alkyl; PA0 R.sup.1 is hydrogen or alkyl; PA0 R.sup.2 is cyano, nitro, trifluoromethyl, halogen, alkyl or alkoxy; PA0 m is 0, 1 or 2, it being possible for the R.sup.2 radicals to be different if m is 2; PA0 and their salts, processes and intermediates for their preparation, and their use are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.