申请人:Rohm and Haas Company
公开号:US05397767A1
公开(公告)日:1995-03-14
A class of 6-arylpyrimidines which is useful in the control of weeds is of the general formulae: ##STR1## wherein R.sup.2 is selected from hydrogen, halo, substituted or unsubstituted alkyl, haloalkyl, polyhaloalkyl, haloalkenyl, polyhaloalkenyl, haloalkynyl, polyhaloalkynyl, alkenyl, alkynyl, alkoxy, alkylthio, alkoxycarbonylalkyl, cyano, alkoxyalkyl, alkoxycarbonyl, cycloalkyl, aralkyl, alkylamino, dialkylamino, or dialkylaminocarbonyl group; R.sup.3 is an alkyl, alkenyl, alkynyl, or haloalkyl group; R.sup.5 is an alkyl, alkenyl, alkynyl, alkenynyl, or alkoxyalkyl, group; R.sup.6 is an aryl group (e.g. aromatic ring); and X is oxygen or sulfur. R.sup.2 and R.sup.3 may form a fused ring.
一类6-芳基嘧啶类化合物可用于除草,其一般式为:##STR1##其中R.sup.2选自氢、卤素、取代或未取代的烷基、卤代烷基、多卤代烷基、卤代烯基、多卤代烯基、卤代炔基、多卤代炔基、烯基、炔基、烷氧基、烷硫基、烷氧羰基烷基、氰基、烷氧基烷基、烷氧羰基、环烷基、芳基烷基、烷基氨基、二烷基氨基或二烷基氨基羰基;R.sup.3为烷基、烯基、炔基或卤代烷基;R.sup.5为烷基、烯基、炔基、烯炔基或烷氧基烷基;R.sup.6为芳基(例如芳香环);X为氧或硫。R.sup.2和R.sup.3可以形成融合环。