| 摘要 |
<p>Compounds having the general formula <CHEM> are described, wherein: R<1> is selected from F, Cl, Br, CF3, phenyl, C1-C2 alkoxy, C1-C2 haloalkoxy, alkylthio and haloalkylthio, wherein halogen means F, Cl, Br; R<2>is selected from H, F, Cl, Br, CF3; R<3>, R<4> and R<5>, which may be the same or different, are H, C1-C4 alkyl or C3-C6 cycloalkyl, on condition that R<5> is different from R<3> when R<4> is H; Y is selected from H, CH3, OH, CN, F; n is 1 or 2;m is 0 or 1;X is O or S; Rf is selected from C1-C5 polyfluoroalkyl, C2-C4 polyfluoroalkenyl, polyfluoroalkoxyalkyl and polfluoroalkoxyalkenyl, each of them containing at least two fluorine atoms and, optionally, other halogen atoms selected from Cl and Br; Z is CH or N. b</p> |
