Patent · US Expired

Phenylacetic acid derivatives, preparation thereof and intermediates therefor, and compositions containing them

US6187812A · kind A · utility

4Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 2000
Grant dateFeb 13, 2001
Priority date
Expiry dateFeb 3, 2020

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: PA1 X is oxygen or sulfur; PA1 R is hydrogen or alkyl; PA1 R.sup.1 is hydrogen or alkyl; PA1 R.sup.2 is cyano, nitro, trifluoromethyl, halogen, alkyl or alkoxy; PA1 m is 0, 1 or 2, it being possible for the R.sup.2 radicals to be different if m is 2; PA1 R.sup.3 is hydrogen, cyano, nitro, hydroxyl, amino, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, alkylamino or dialkylamino; PA1 R.sub.4 is hydrogen, cyano, nitro, hydroxyl, amino, halogen, PA1 unsubstituted or substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, alkenyl, alkenyloxy, alkenylthio, alkenylamino, N-alkenyl-N-alkylamino, alkynyl, alkynyloxy, alkynylthio, alkynylamino, N-alkynyl-N-alkylamino; PA1 unsubstituted or substituted cycloalkyl, cycloalkoxy, cycloalkylthio, cycloalkylamino, N-cycloalkyl-N-alkylamino, cycloalkenyl, cycloalkenyloxy, cycloalkenylthio, cycloalkenylamino, N-cycloalkenyl-N-alkylamino, heterocyclyl, heterocyclyloxy, heterocyclylthio, heterocyclylamino, N-heterocyclyl-N-alkylamino, aryl, aryloxy, arylthio, arylamino, N-aryl-N-alkylamino, hetaryl, hetaryloxy, h…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.