| abstract |
A compound of formula wherein ring A is selected from: a) phenyl or naphthyl; b) pyridyl, which may be condensed from b) or c) benzene side; c) pyridyl-N-oxidyl pyrazinyl-N-oxide; d) pyrimidinyl; e) pyrazinyl; f) 3- or 4-quinolinyl or 2-quinoxalinyl and g) a five-membered heteroatom ring containing oxygen, sulfur or nitrogen as heteroatom (s), which ring may be fused to a benzene ring or contain nitrogen as an additional heteroatom; R is a cyano, formyl, CX1X2X3, ketone-forming group, a carboxyl group which may be in the form of the free acid, in ester or salt form, a thiocarboxylic group which may be in the form of the free acid or an ester, a carbamoyl group or a mono - or a disubstituted carbamoyl group, hydroxy C 1-8 alkyl, hydroxybenzyl, -CH = NOH, -CH = NOC 1-8 alkyl, the group -CH 2 -O-C / O / - and carbon atoms adjacent to bridges in ring A, or ring C Y1, Y2 and Y3 are attached to carbon atoms and denote separately hydrogen, halogen, hydroxy, C1-8 alkyl, C2-8alkenyl, C2-8 alkynyl, C1-8 alkoxy, C2-8 alkenyloxy, C2-8 alkynyloxy, C1-8 alkylsulfonyloxy, di / C1-8 alkyl / sulfamoyloxy, C1-8 alkylsulfonyl, C1-8 alkylsulfinyl, di / C1-8 alkyl / carbamoyloxy, C1-8 alkylthio, C2-8 alkenylthio or C2-8 alkylthio or C2-8 which may be substituted by from 1 to 6 halogen atoms: di / C1-8 alkoxy / methyl, conjugated C1-8-alkoxy, hydroxy C1-8 alkyl, carboxyl, C2-8 acyl, C2-8 acyl C1-8- alkyl, C2 -8 acyloxy, C2-8 acylok |