PROPENOIC ACID DERIVATIVES, PREPARATION METHOD THEREOF, INTERMEDIATE PRODUCTS IN THIS METHOD AND ANTIFUNGAL AGENTS CONTAINING THE SAME

Compounds having the formula (I): in which any two of K, L and M are nitrogen and the other is CE; X and Y are independently hydrogen, halogen, C1-4 alkyl, C3-6 cycloalkyl, C2-4 alkenyl, C2-4 alkynyl, C2-4 alkynyloxy, phenyl, benzyloxy, cyano, isocyano, isothiocyanato, nitro, NR R , NR OR ,N3, NHCOR , NR CO2R , NHCONR R , N=CHNR R , NHSO2R , OR , OCOR , OSO2R , SR , SOR , SO2R , SO2OR , SO2NR R , COR , CR =NOR , CHR CO2R , CO2R , CONR R , CSNR R , CN3O2C.C:CH.OCH3, 1-(imidazol-1-yl)vinyl, a 5-membered heterocyclic ring containing one, two or three nitrogen heteroatoms, or a 5- or 6-membered heterocyclic ring containing one or two oxygen or sulphur hetero-atoms, optionally a nitrogen heteroatom and optionally one or two oxo or thioxo substituents; or X and Y, when ortho to one another, join to form a 5-or 6-membered aliphatic or aromatic ring optionally containing one or two oxygen, sulphur or nitrogen atoms or one, two or three nitrogen atoms; A, B, D, E, G, U and V are independently hydrogen, halogen, C1-4 alkyl C1-4 alkoxy, cyano, nitro or trifluoromethyl; and R and R are independently hydrogen, C1-4 alkyl, C2-4 alkenyl or phenyl; the aliphatic moieties of any of theforegoing being optionally substituted with one or more of halogen, cyano, OR , SR , NR R , SiR 3 or OCOR and the phenyl moieties of any of the foregoing being optionally substituted with one or more of halogen, C1-4 alkyl, C1-4 alkoxy, nitro or cyano. The compounds are useful as fungicides.