申请人:Nihon Tokushu Noyaku Seizo K. K.
公开号:US05017213A1
公开(公告)日:1991-05-21
Herbicidal 1-phenylpyrroles of the formula ##STR1## wherein each R.sup.1 represents methyl or together form a tetramethylene group, R.sup.2 represents hydrogen, C.sub.1-6 alkyl, cyclopropylmethyl, C.sub.1-4 alkoxy-C.sub.1-2 alkyl, C.sub.1-4 alkylthio-C.sub.1-2 alkyl, C.sub.1-4 alkylsulfinyl-C.sub.1-2 alkyl, C.sub.1-4 alkylsulfonyl-C.sub.1-2 alkyl, benzyl or phenylethyl which are optionally substituted by halogen, C.sub.3-4 alkenyl, C.sub.3-4 alkynyl, C.sub.3-4 haloalkenyl, C.sub.2-3 cyanoalkyl or carbmoylmethyl, thiocarbamoylmethyl, trimethylsilylmethyl, CH.sub.2 COOR.sup.3, ##STR2## or a C.sub.1-2 alkyl group which is connected with an optionally substituted 5-6 membered heterocyclic group, wherein R.sup.3 represents C.sub.1-6 alkyl or C.sub.5-6 cycloalkyl, R.sup.4 represents hydrogen, methyl, ethyl or cyclopropyl, R.sup.5 represents OR.sup.6 or N(CH.sub.3).sub.2, in which R.sup.6 represents hydrogen, C.sub.1-5 alkyl, allyl, propargyl or benzyl, and n represents 0 to 1.
式子为##STR1##的除草剂1-苯基吡咯类,其中每个R1代表甲基或一起形成四亚甲基基团,R2代表氢、C1-6烷基、环丙基甲基、C1-4烷氧基-C1-2烷基、C1-4烷基硫基-C1-2烷基、C1-4烷基亚砜基-C1-2烷基、C1-4烷基磺酰基-C1-2烷基、苄基或苯乙基,它们可以被卤素、C3-4烯基、C3-4炔基、C3-4卤代烯基、C2-3氰基烷基或碳酰甲基、硫代碳酰甲基、三甲基硅基甲基、CH2COOR3、##STR2##或与一个可选取代的5-6成员杂环基团连接的C1-2烷基组成,其中R3代表C1-6烷基或C5-6环烷基,R4代表氢、甲基、乙基或环丙基,R5代表OR6或N(CH3)2,其中R6代表氢、C1-5烷基、烯丙基、炔丙基或苄基,n代表0到1。