申请人:Sumitomo Chemical Company, Limited
公开号:US04326058A1
公开(公告)日:1982-04-20
Phosphoro-thioates or dithioates of the formula (I), ##STR1## wherein R is a C.sub.1 -C.sub.3 alkyl group, R.sub.1 is a C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.4 alkylamino or allylamino group, R.sub.2 is a halogen atom, a C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.3 alkyl group, R.sub.3 is a hydrogen or halogen atom or a C.sub.1 -C.sub.3 alkyl group, R.sub.4 is a C.sub.1 -C.sub.3 alkyl group, and X is an oxygen or sulfur atom, provided that when R.sub.1 is a C.sub.1 -C.sub.4 alkylamino or allylamino group, X is an oxygen atom, a process for producing phosphoro-thioates or dithioates of the formula (I) characterized by condensing a pyrimidine of the formula (II), ##STR2## wherein Y is a halogen atom, and R.sub.2, R.sub.3 and R.sub.4 are as defined above, with a thio- or dithio-phosphate of the formula, ##STR3## wherein M is an alkali metal atom or an ammonium group, and R, R.sub.1 and X are as defined above, an insecticide, acaricide and nematocide characterized by containing phosphoro-thioates or dithioates of the formula (I) as an active ingredient, and pyrimidines, novel intermediate compounds, of the formula (II) wherein R.sub.2 is a C.sub.1 -C.sub.4 alkoxy group or a halogen atom, R.sub.3 is a hydrogen or halogen atom or a C.sub.1 -C.sub.3 alkyl group, and R.sub.4 is a C.sub.2 -C.sub.3 alkyl group.
磷硫酸酯或二硫酸酯的化学式(I)如下:其中R是C.sub.1 -C.sub.3烷基,R.sub.1是C.sub.1 -C.sub.3烷氧基,C.sub.1 -C.sub.4烷基氨基或烯丙氨基,R.sub.2是卤素原子,C.sub.1 -C.sub.4烷氧基或C.sub.1 -C.sub.3烷基,R.sub.3是氢原子或卤素原子或C.sub.1 -C.sub.3烷基,R.sub.4是C.sub.1 -C.sub.3烷基,X是氧原子或硫原子,条件是当R.sub.1是C.sub.1 -C.sub.4烷基氨基或烯丙氨基时,X是氧原子,生产化学式(I)的磷硫酸酯或二硫酸酯的方法特征在于将化学式(II)的嘧啶与化学式的硫酸酯或二硫酸酯进行缩合,其中Y是卤素原子,R.sub.2,R.sub.3和R.sub.4如上定义,与化学式的硫酸酯或二硫酸酯进行缩合,其中M是碱金属原子或铵基团,R,R.sub.1和X如上定义,含有磷硫酸酯或二硫酸酯的杀虫剂、杀螨剂和杀线虫剂,其中磷硫酸酯或二硫酸酯的化学式(I)作为活性成分,以及嘧啶,化学式(II)的新型中间化合物,其中R.sub.2是C.sub.1 -C.sub.4烷氧基或卤素原子,R.sub.3是氢原子或卤素原子或C.sub.1 -C.sub.3烷基,R.sub.4是C.sub.2 -C.sub.3烷基。