申请人:ICI Australia Operations Proprietary Limited
公开号:US04929269A1
公开(公告)日:1990-05-29
Compounds of the formula ##STR1## and salts thereof, W and W, being independently O and S, A being a nitrogen-containing heterocyclic ring system, E being O, S(O)m or NR.sub.3 where m is 0-2, R.sub.1, R.sub.2 and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.2 -C.sub.4 alkenyl or alkynyl and E.sub.1 being hydrogen, halogen or one of a variety of organic substituents. The compounds are effective herbicides.
该化合物的公式为##STR1##及其盐,其中W和W独立地为O和S,A为含氮杂环环系,E为O,S(O)m或NR.sub.3,其中m为0-2,R.sub.1,R.sub.2和R.sub.3为氢,C.sub.1-C.sub.4烷基或C.sub.2-C.sub.4烯基或炔基,E.sub.1为氢,卤素或各种有机取代基之一。这些化合物是有效的除草剂。