| 摘要 |
Compounds having fungicidal activity, especially against plant fungal infections caused by Phytophthora infestans or Plasmopara viticola, are represented by the formula: <IMAGE> wherein Ar represents phenyl, naphthyl, or phenyl or naphthyl substituted by from 1 to 4 of the same or different substituents selected from fluoro, chloro, bromo, C1-4 alkyl and C1-4 alkoxy; R<1> represents C2-6 alkenyl, C2-6 alkenyl oxide, C2-6 alkenyl substituted by halogen or alkoxy of from 1 to 4 carbon atoms, C3-6 cycloalkyl, or C3-6 cycloalkyl substituted by from 1 to 4 of the same or different substituents selected from C1-4 alkyl, fluoro, chloro, bromo, hydroxy and C1-4 alkoxy; R<2> represents hydrogen, chloro, bromo, C1-6 alkyl, phenyl or phenyl substituted by 1 or 2 of the same or different substituents selected from fluoro, chloro, bromo and C1-6 alkyl; Y is O, S or -NR- wherein R is hydrogen or C1-4 alkyl; W is O or S; and X is O or S, with the proviso that when W is S, R<1> can also represent hydroxymethyl, halomethyl of from 1 to 3 of the same or different halogens selected from fluoro, chloro and bromo, C2-6 alkoxyalkyl, C2-5 alkylthioalkyl, C7-10 phenylthioalkyl, C7-10 phenoxyalkyl, C7-10 phenylthioalkyl or phenoxyalkyl substituted on the phenyl ring by 1 or 2 of the same or different substituents selected from fluoro, chloro, bromo, C1-4 alkyl and C1-4 alkoxy; and with the further proviso that when Ar is phenyl or substituted phenyl, W is O and R<1> is cyclopropyl, then Y is not O. |
