Chemical compounds, process for their preparation, and fungicidal composition, process of combating fungi, composition and the process of regulating plant growth.A composition and process of insecticide / nematocida exterminate or control pests of insects and nematodos

摘要

Compounds of formula: IMAGE wherein W is a substituted pyridinyl or substituted pyrimidinyl group linked to A by any one of its ring carbon atoms; A is either an oxygen atom of S(O)n, wherein n is 0, 1 or 2; X, Y and Z, which are the same of different, are hydrogen or halogen atoms, or hydroxy, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted alkylthio, optionally substituted aryloxy, optionally substituted arylalkoxy, optionally substituted acyloxy, optionally substituted amino, optionally substituted acylamino, nitro, cyano, -CO2R3, -CONR4R5, -COR6 or -S(O)mR7 (wherein m is 0, 1 or 2) groups, or any two of the groups X, Y and Z, when they are in adjacent positions on the phenyl ring, join to form a fused ring, either aromatic or aliphatic, optionally containing one or more heteroatoms; R1 is optionally substituted alkyl; provided that when W is 5-trifluoromethylpyridin- 2-yl, A is oxygen, X is hydrogen, and R1 is methyl, Y and Z are not both hydrogen, Y is not F, Cl, methyl, nitro, 5-CF3, 4-(CH3)2N if Z is hydrogen and Y and Z together are not 3-nitro-5-chloro, 3,5-dinitro, 4,5-dimethoxy or 4,5-methylenedioxy; and R3, R4, R5, R6 and R7 which are same or different, are hydrogen atoms or optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, or optionally substituted aralkyl groups, are intermediates in the production of agriculturally useful acrylic acid derivatives.