| abstract |
Phenylacetic acid derivs. of formula (I) and their salts are new. X = NOMe, CHOMe or CHMe; Y = O or NRa; Ra = H or 1-4C alkyl; R = CN, NO2, CF3, halo, 1-4C alkyl or 1-4C alkoxy; m = 0-2; R<1> = H or 1-6C alkyl; R<2>, R<3> = H, CN, NO2, OH, NH2, halo or 1-6C alkyl, 1-6C alkoxy, 1-6C alkylthio, 1-6C alkylamino, di-1-6C alkylamino, 2-6C alkenyl, 2-6C alkenyloxy, 2-6C alkenylthio, 2-6C alkynyl, 2-6C alkynyloxy, 2-6C alkynylthio, 2-6C alkynylamino or N 2-6C alkynyl-N-1-6C alkylamino etc. (in which the hydrocarbon gps. are opt. substd.) or 3-6C cycloalkyl, 3-6C cycloalkoxy, 3-6C cycloalkylthio, 3-6C cycloalkylamino, N-3-6C cycloalkyl-N-1-6C alkylamino, 3-6C cycloalkenyl, 3-6C cycloalkenyloxy, 3-6C cycloalkenylthio, heterocyclyloxy, heterocyclylthio, heterocyclylamino, N-heterocyclyl-N-1-6C alkylamino, aryl, aryloxy, arylthio etc. in which the cyclic gps. are opt. substd.; R<4> = R<2> or CRd=NORe: Rd = R<2>; Re = H or 1-10C alkyl, 2-10C alkenyl, 2-10C alkynyl, 1-10C alkylcarbonyl etc. each opt. substd. |