The present invention relates to a compound of formula (I), wherein CKE is of sub-formula (A) and/or (B), wherein: R1 is methyl or methoxy; R2 is hydrogen, methyl, ethyl, n-propyl, n-butyl, cyclopropyl, ethynyl, cyano, C1-C3alkoxy, C1-C2fluoroalkoxy, (difluoro)vinyloxy, C1-C2alkoxy-C1-C3alkoxy-, or C1fluoroalkoxy-C1C3alkoxy-; and X is NR4 or CR5R6; wherein R3, R4, R5 and R6 are as defined herein; wherein the compound of formula (I) is optionally present as an agrochemically acceptable salt thereof. These compounds are suitable for use as herbicides. The invention therefore also relates to a method of controlling weeds, especially grassy monocotyledonous weeds, in crops of useful plants, comprising applying a compound of formula (I), or a herbicidal composition comprising such a compound, to the plants or to the locus thereof.
本发明涉及一种化合物,其
化学式为(I),其中CKE为亚式结构(A)和/或(B),其中:R1为甲基或甲氧基;R2为氢、甲基、乙基、正丙基、正丁基、环丙基、
乙炔基、
氰基、C1-C3烷氧基、C1-C2氟烷氧基、(二
氟)
乙烯氧基、C1-C2烷氧基-C1-C3烷氧基、或C1氟烷氧基-C1C3烷氧基;X为NR4或CR5R6;其中R3、R4、R5和R6如本文所定义;其中该化合物的
化学式(I)可选地存在于其农药可接受的盐中。这些化合物适用于用作
除草剂。因此,本发明还涉及一种控制杂草,特别是草本单子叶杂草,在有用植物作物中的方法,包括将化合物的
化学式(I)或包含这种化合物的
除草剂组合物施用于植物或其生长地点。