申请人:Produits Chimiques Ugine Kuhlmann
公开号:US04528026A1
公开(公告)日:1985-07-09
Pyrimidine compounds of the formula: ##STR1## in which R.sub.1 is alkyl, one of X.sub.1, X.sub.2, X.sub.3 is chlorine or bromine and the two others are respectively --NR.sub.1 R.sub.2 and --NR.sub.3 R.sub.4 in which R.sub.2 and R.sub.3 are, independently of one another, hydrogen, alkyl, cycloalkyl, aryl or aryl substituted by alkyl, hydroxy, chlorine, bromine or ##STR2## wherein R is hydrogen or alkyl, or form together with the nitrogen atom to which they are linked a nitrogenous heterocyclic radical other than piperazino and substituted piperazino, R.sub.4 and R.sub.5 are, independently of one another, hydrogen, alkyl, cycloalkyl, aryl or aryl substituted by alkyl, hydroxy, chlorine, bromine or ##STR3## wherein R is as defined above, or form together with the nitrogen atom to which they are linked a nitrogenous heterocyclic radical other than piperazino and substituted piperazino, at least one of the substituents --NR.sub.1 R.sub.2, --NR.sub.3 R.sub.4 being NH.sub.2 or ##STR4## and their salts with mineral or organic acids, are herbicides.
该化合物的嘧啶类化合物的结构式为:##STR1## 其中R.sub.1是烷基,X.sub.1、X.sub.2、X.sub.3中的一个是氯或溴,另外两个分别是--NR.sub.1 R.sub.2和--NR.sub.3 R.sub.4,其中R.sub.2和R.sub.3独立地是氢、烷基、环烷基、芳基或被烷基、羟基、氯、溴或##STR2##取代的芳基,其中R是氢或烷基,或者与它们连接的氮原子一起形成除哌嗪和取代哌嗪外的氮杂环基团,R.sub.4和R.sub.5独立地是氢、烷基、环烷基、芳基或被烷基、羟基、氯、溴或##STR3##取代的芳基,其中R如上所定义,或者与它们连接的氮原子一起形成除哌嗪和取代哌嗪外的氮杂环基团,至少一个取代基--NR.sub.1 R.sub.2,--NR.sub.3 R.sub.4是NH.sub.2或##STR4##,以及它们与矿物酸或有机酸形成的盐是除草剂。