申请人:Novartis Corporation
公开号:US05807863A1
公开(公告)日:1998-09-15
This invention relates to novel 2-(4-pyrazolyloxy-pyrimidin-5-yl) acetic acid derivatives of formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.3-6 cycloalkyl, or di-C.sub.1-4 alkylamino, R.sub.2 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, or di-C.sub.1-4 alkyl-amino, R.sub.3 is hydrogen or methyl, R.sub.4 is aryl, aryl-C.sub.1-4 alkyl, heteroaryl, or heteroaryl-C.sub.1-4 alkyl, wherein each of the aromatic rings may be optionally substituted; and X is CH or nitrogen; the use of such compounds for the control of phytopathogens, compositions for facilitating such use, and the preparation of the compounds of formula I.
本发明涉及一种新的2-(4-吡唑氧基-嘧啶-5-基)乙酸衍生物,其化学式为I##STR1##其中R.sub.1为氢、C.sub.1-4烷基、C.sub.1-4烷氧基、C.sub.1-4烷基硫基、C.sub.3-6环烷基或二C.sub.1-4烷基氨基,R.sub.2为氢、C.sub.1-4烷基、C.sub.1-4烷氧基、C.sub.1-4烷基硫基或二C.sub.1-4烷基氨基,R.sub.3为氢或甲基,R.sub.4为芳基、芳基-C.sub.1-4烷基、杂环芳基或杂环芳基-C.sub.1-4烷基,其中每个芳香环可以选择性地被取代;X为CH或氮;这种化合物用于控制植物病原体,用于促进这种用途的组合物,以及化合物I的制备。