Cyclohexane-1,3-dione derivatives, compositions containing them, processes for preparing them, and their use as herbicides and plant growth regulators
申请人:ICI AUSTRALIA LIMITED
公开号:EP0202042A1
公开(公告)日:1986-11-20
The invention concerns novel compounds of the formula
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 selecfed from halogen, nitro, alkyl, substituted alkyl, hydroxy, alkoxy, carboxy, alkoxycarbonyl, alkylthio, alkylsulfinyl, alkylsulfonyl, sulfamoyl, substituted sulfamoyl, amino, substituted amino and alkanoyl;
R' is selected from hydrogen, acyl and an inorganic or organic cation;
R2 is selected from alkyl, substituted alkyl, alkenyl haloalkenyl and alkynyl;
R3 is selected from alkyl; and
R4 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.
本发明涉及式如下的新型化合物
其中
Y 选自苯基、呋喃基、噻吩基和吡咯基环(每个环可任选被基团 X 取代)、任选支链亚烷基或亚烷基硫(氧)烷基;
可以相同或不同的 X 独立地选自卤素、硝基、烷基、取代烷基、羟基、烷氧基、羧基、烷氧羰基、烷硫基、烷基亚磺酰基、烷基磺酰基、氨基、取代氨基和烷酰基;
R' 选自氢、酰基和无机或有机阳离子;
R2 选自烷基、取代烷基、卤代烯基和炔基;
R3 选自烷基;和
R4 选自氢、烷基和烷氧羰基。本发明的化合物具有除草特性和植物生长调节特性,在进一步的实施方案中,本发明提供了制备式 I 化合物的工艺、用于制备式 I 化合物的中间体、含有式 I 化合物作为活性成分的组合物,以及利用式 I 化合物的除草和植物生长调节工艺。