申请人:Shell Research Limited
公开号:US05139563A1
公开(公告)日:1992-08-18
Compounds of formula I ##STR1## wherein A is nitrogen or a group CR.sup.5 ; each of R.sup.1, R.sup.2 and R.sup.5 is, independently, hydrogen, halogen, formyl, cyano, carboxy, azido or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, alkylcarbonyl, alkoxycarbonyl, amino, aminoxy or dialkyliminoxy; and R is ##STR2## in which R.sup.3 is hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclic or aryl, or COR.sup.8, R.sup.8 being hydroxy, alkoxy, carboxy, alkoxycarbonyl, amino or mono- or di- alkylamino; and R.sup.4 is a group COR.sup.6 wherein R.sup.6 is hydrogen, halogen, hydroxy, or optionally substituted alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio, aminoxy, dialkyliminoxy or amino, or R.sup.6 is a group OR.sup.7 in which R.sup.7 is an optionally substituted heterocyclic ring; or ##STR3## each of R.sup.9 and R.sup.10 being, independently, hydrogen or alkyl; or a carboxylic acid salt of a compound with an equivalent amount of an inorganic or organic cation; have herbicidal properties. The invention also provides processes for their preparation and their use as herbicides.
式I的化合物##STR1##其中A是氮或基团CR.sup.5;R.sup.1、R.sup.2和R.sup.5中的每一个都是独立的氢、卤素、甲酰基、氰基、羧基、叠氮基或可选择地取代的烷基、烯基、炔基、环烷基、烷氧基、烯氧基、炔氧基、芳基氧基、烷硫基、烯硫基、炔硫基、芳硫基、烷羰基、烷氧羰基、氨基、氧胺基或二烷基亚氧基;而R是##STR2##其中R.sup.3是氢、可选择取代的烷基、烯基、炔基、环烷基、杂环或芳基,或COR.sup.8,R.sup.8是羟基、烷氧基、羧基、烷氧羰基、氨基或单烷基或二烷基氨基;而R.sup.4是一个基团COR.sup.6,其中R.sup.6是氢、卤素、羟基,或可选择取代的烷氧基、烯氧基、炔氧基、环烷氧基、芳基氧基、烷硫基、烯硫基、炔硫基、芳硫基、氧胺基、二烷基亚氧基或氨基,或R.sup.6是一个基团OR.sup.7,其中R.sup.7是可选择取代的杂环环;或##STR3##其中R.sup.9和R.sup.10中的每一个都是独立的氢或烷基;或者是具有等量无机或有机阳离子的化合物的羧酸盐;具有除草性质。该发明还提供了它们的制备过程以及它们作为除草剂的用途。