申请人:——
公开号:US05635508A1
公开(公告)日:1997-06-03
The invention discloses compounds of formula I It has now been found that compounds of formula I ##STR1## wherein R.sub.1 is hydrogen, methyl, ethyl or trifluoromethyl, and R.sub.2 is hydrogen, methyl, ethyl, C.sub.1-4 alkylthio, C.sub.1-4 alkoxy, or di-C.sub.1-4 alkylamino, and R.sub.3 is C.sub.1-10 alkyl, C.sub.1-10 haloalkyl, aryl, heteroaryl, aryl-C.sub.1-4 alkyl, heteroaryl-C.sub.1-4 alkyl, aryloxy-C.sub.1-4 alkyl, aryloxyaryl, arylaryl, heteroaryl, aryl-C.sub.1-4 alkoxyaryl, aryl-C.sub.1-4 alkoxy-C.sub.1-4 alkyl, heteroaryloxyaryl, aryloxy-C.sub.1-4 alkylaryl or aryl substituted by a group selected from --C(CH.sub.3).dbd.N--O--CH.sub.2 --aryl, --C(CH.sub.3).dbd.N--O--CH(CH.sub.3)--aryl, --C(CH.sub.3).dbd.N--C.sub.1-4 alkoxy, --C(CH.sub.3).dbd.N--C.sub.3-4 alkenyloxy, --C(CH.sub.3).dbd.N--C.sub.3-4 alkynyloxy, or --CH.sub.2 --O--N.dbd.C(CH.sub.3)--aryl, wherein each of the aromatic rings may be optionally substituted; the use of such compounds for the control of phytopathogens, compositions for facilitating such use, and the preparation of the compounds of fomula I.
本发明公开了I式化合物。现在已经发现,I式化合物如下:其中R.sub.1为氢、甲基、乙基或三氟甲基,R.sub.2为氢、甲基、乙基、C.sub.1-4烷基硫醚、C.sub.1-4烷氧基或二-C.sub.1-4烷基氨基,R.sub.3为C.sub.1-10烷基、C.sub.1-10卤代烷基、芳基、杂环芳基、芳基-C.sub.1-4烷基、杂环芳基-C.sub.1-4烷基、芳氧基-C.sub.1-4烷基、芳氧基芳基、芳基芳基、杂环芳基、芳基-C.sub.1-4烷氧基芳基、芳基-C.sub.1-4烷氧基-C.sub.1-4烷基、杂环芳氧基芳基、芳氧基-C.sub.1-4烷基芳基或芳基中的一种被选择的基团取代,所述基团为--C(CH.sub.3).dbd.N--O--CH.sub.2 --芳基、--C(CH.sub.3).dbd.N--O--CH(CH.sub.3)--芳基、--C(CH.sub.3).dbd.N--C.sub.1-4烷氧基、--C(CH.sub.3).dbd.N--C.sub.3-4烯氧基、--C(CH.sub.3).dbd.N--C.sub.3-4炔氧基或--CH.sub.2 --O--N.dbd.C(CH.sub.3)--芳基,其中每个芳香环都可以选择性地被取代;使用这些化合物来控制植物病原体,为促进这种使用的组合物,以及制备I式化合物的方法。