The present invention concerns novel 4-hydroxypyrimidine derivatives of the formula: ##SPC1## Wherein R.sub.1 is a substituent, e.g., alkyl, R.sub.2 is hydrogen or a substituent, e.g., alkyl R.sub.3 is amino unsubstituted or substituted by alkyl, a nitrogen heterocycle, alkoxy or alkylthio, which are used as intermediates in the production of useful insecticides.
本发明涉及新颖的4-
羟基嘧啶衍
生物,
化学式如下:##
SPC1## 其中R.sub.1是取代基,例如烷基,R.sub.2是氢或取代基,例如烷基,R.sub.3是未取代或取代的
氨基,取代基可以是烷基、氮杂环、烷氧基或烷基
硫基,这些衍
生物被用作生产有用的
杀虫剂的中间体。