6-氯-2-(1-甲基肼基)喹喔啉1-氧化物3与炔二羧酸酯的反应得到8-氯-1-甲酰基-1,5-二氢吡啶并嗪[3,4- b ]喹喔啉-3,4-二羧酸酯4a,b和2-(吡唑-4-基)喹喔啉1-氧化物5a,b。化合物4a,b的形成将遵循1,3-偶极环加成反应,随后的1,2-肼基迁移,然后脱水环化,而化合物5a,b的生成将通过将肼基加至乙炔而进行-二羧酸酯导致吡唑环的构建,随后吡唑环的重排。化合物5a,b将其用磷酰氯/ N,N-二甲基甲酰胺脱氧以变成4-(喹喔啉-2-基)吡唑-3-羧酸酯8a,b。
6-氯-2-(1-甲基肼基)喹喔啉1-氧化物3与炔二羧酸酯的反应得到8-氯-1-甲酰基-1,5-二氢吡啶并嗪[3,4- b ]喹喔啉-3,4-二羧酸酯4a,b和2-(吡唑-4-基)喹喔啉1-氧化物5a,b。化合物4a,b的形成将遵循1,3-偶极环加成反应,随后的1,2-肼基迁移,然后脱水环化,而化合物5a,b的生成将通过将肼基加至乙炔而进行-二羧酸酯导致吡唑环的构建,随后吡唑环的重排。化合物5a,b将其用磷酰氯/ N,N-二甲基甲酰胺脱氧以变成4-(喹喔啉-2-基)吡唑-3-羧酸酯8a,b。
The invention concerns novel compounds of the formula I ##STR1## The compounds are herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal composition containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.
Quinoxalinyloxyphenoxyalkane carboxylic acid derivatives, their preparation and their use as herbicides
申请人:ICI AUSTRALIA LIMITED
公开号:EP0023785A2
公开(公告)日:1981-02-11
The invention concerns novel compounds of the formula I
The compounds are herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula 1, intermediates useful in the preparation of compounds of formula I, herbicidal compositions containing as active ingredient a compound of formula I, and processes for severely damagfng or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.
本发明涉及新颖的式 I 化合物,这些化合物是除草剂,在进一步的实施方案中,本发明提供了制备式 1 化合物的工艺、用于制备式 I 化合物的中间体、含有作为活性成分的式 I 化合物的除草组合物,以及通过向植物或植物的生长介质施用有效量的式 I 化合物来严重损害或杀死不需要的植物的工艺。
Quinoxalinylaminophenoxyalkane carboxylic acid derivatives, their preparation, their use as herbicides and intermediates
申请人:ICI AUSTRALIA LIMITED
公开号:EP0026622A2
公开(公告)日:1981-04-08
The invention concerns novel compounds of the formula I
The compounds are herbicides and in further embodiments the invention provides processes for the preparation of compounds of formula I, intermediates useful in the preparation of compounds of formula I, herbicidal composition containing as active ingredient a compound of formula I, and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.
本发明涉及新颖的式 I 化合物,这些化合物是除草剂,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、含有作为活性成分的式 I 化合物的除草组合物,以及通过向植物或植物的生长介质施用有效量的式 I 化合物来严重损害或杀死不需要的植物的工艺。
SERBAN, ALEXANDER;WATSON, KEITH GEOFFREY;FARQUHARSON, GRAEME WATSON
作者:SERBAN, ALEXANDER、WATSON, KEITH GEOFFREY、FARQUHARSON, GRAEME WATSON