申请人:Shell Internationale Research Maatschappij B.V.
公开号:US04921524A1
公开(公告)日:1990-05-01
The invention provides compounds of the general formula ##STR1## wherein R represents a hydrogen atom, or an optionally substituted alkyl or acyl group, or an alkenyl or alkynyl group or an inorganic or organic cation; R.sup.1 represents an alkyl, haloalkyl, alkenyl, alkynyl or phenyl group; R.sup.2 represents an optionally substituted alkyl or phenalkyl group or a cycloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl group; R.sup.3 represents a hydrogen atom or an alkyl group; and one of R.sub.4 and R.sup.5 represents a hydrogen atom or an alkyl group, while the other of R.sup.4 and R.sup.5 represents an optionally substituted phenyl group; together with their use as herbicides and their preparation using novel intermediates.
本发明提供了一般式为##STR1##的化合物,其中R代表氢原子,或者是可选取代的烷基或酰基基团,或者是烯基或炔基或无机或有机阳离子;R.sup.1代表烷基,卤代烷基,烯基,炔基或苯基;R.sup.2代表可选取代的烷基或苯基烷基基团或环烷基,烯基,卤代烯基,炔基或卤代炔基基团;R.sup.3代表氢原子或烷基基团;而R.sub.4和R.sup.5中的一个代表氢原子或烷基基团,而另一个代表可选取代的苯基基团;以及它们作为除草剂的用途和使用新型中间体制备它们。