申请人:Imperial Chemical Industries PLC
公开号:US04746350A1
公开(公告)日:1988-05-24
The invention concerns novel compounds of the formula I ##STR1## wherein: Y is selected from phenyl, furyl, thienyl and pyrrolyl rings (each optionally substituted by group X), optionally branched alkylene or alkylenethio(oxy)alkylene; X which may be the same or different are independently selected from halogen, nitro, alkyl, substituted alkyl, hydroxy, alkoxy, carboxy, alkoxycarbonyl, alkylthio, sulfamoyl, substituted sulfamoyl, amino, substituted amino and alkanoyl; R.sup.1 is selected from hydrogen, acyl and an inorganic or organic cation; R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl and alkynyl; R.sup.3 is selected from alkyl; and R.sup.4 is selected from hydrogen, alkyl, and alkoxycarbonyl. The compounds of the invention show herbicidal properties and plant growth regulating properties and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of the compounds of formula I, compositions containing as active ingredient a compound of formula I, and herbicidal and plant growth regulating processes utilizing compounds of formula I.
这项发明涉及公式I的新化合物
其中:Y从苯基、呋喃基、噻吩基和吡咯基环中选择(每个环可选择性地被基团X取代)、可选择性分支的烷基或烷基硫(氧)烷基;X可能相同也可能不同,独立地从卤素、硝基、烷基、取代烷基、羟基、烷氧基、羧基、烷氧羰基、烷基硫、磺酰胺、取代磺酰胺、氨基、取代氨基和烷酰中选择;R.sup.1从氢、酰基和无机或有机阳离子中选择;R.sup.2从烷基、取代烷基、烯基、卤代烯基和炔基中选择;R.sup.3从烷基中选择;R.sup.4从氢、烷基和烷氧羰基中选择。该发明的化合物表现出除草性能和植物生长调节性能,在进一步的实施例中,该发明提供了用于制备公式I化合物的方法、用于制备公式I化合物的中间体、含有公式I化合物作为活性成分的组合物,以及利用公式I化合物的除草和植物生长调节过程。