Substituted diphenylamine derivatives, compositions and herbicidal uses thereof, and processes for their preparation
申请人:ICI AUSTRALIA LIMITED
公开号:EP0013144A1
公开(公告)日:1980-07-09
The compounds are herbicides. Herbicidal compositions containing as active ingredient a compound of formula I, a process 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, processes for the preparation of compounds of formula I and intermediates useful in the preparation of compounds of formula I are described.
Prepared are compounds of formula I
or a salt thereof wherein:
A, B, D, E, T, U and V are independently chosen from the group consisting of hydrogen, halogen, nitro, cyano, thiocyano, possibly halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, possibly alkylated amino, sulfo, sulfamoyl, carboxy, carbamoyl, C2 to C6 alkenyl, C3 to C7 cyclo-alkyl, possibly substituted phenyl, phenoxy, phenylthio groups, and wherein at least one of A, B, D, E and T is not hydrogen, the alkyl groups containing 1 to 6 carbon atoms,
R' is chosen from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, haloalkyl, alkanoyl, all containing at most 10 carbon atoms, or possibly substituted phenyl, benzyl, benzoyl,
R2 is chosen from the group consisting of hydrogen, alkyl, alkenyl, alkoxyalkyl, haloalkyl, all containing at most 6 carbon atoms, and acetyl, propionyl, and C2 to C6 alkoxy-carbonyl, R3 is chosen from the group consisting of hydrogen, alkyl, alkenyl, alkoxyalkyl, all containing at most 6 carbon atoms, and C1 to C4 haloalkyl, or R2 and R3 together may form a C1 to C3 alkylidene group,
W is chosen from the group consisting of cyano, thiocar- bamoyl, -C-G and CH2Z wherein:
G is chosen from the group consisting of hydroxy, mercapto, possibly substituted C1 to C10 alkoxy, and C2 to C10 alkenyloxy, C2 to C10 alkynyloxy, C1 to C10alkylthio, C2 to C10 alkenylthio, C2 to C10 alkynylthio, possibly substituted C3 to C7 cycloalkoxy, possibly substituted phenoxy, phenylthio, benzyloxy, benzylthio, the group OM wherein M is the cation of an inorganic or organic base, the group-NNSO2R4 wherein R4 is chosen from C4 to C10, alkyl and C, to C10 haloalkyl, and the group -NR5R6 wherein R5 and R6 are independently chosen from the group consisting of hydrogen, C1 to C6 alkyl, phenyl and benzyl or R5 and R6 together form a heterocyclic ring and
Z is chosen from the group consisting of halogen, hydroxy, mercapto, possibly substituted C1 to C10 alkoxy, possibly substituted C1 to C10 alkylthio, formyl, and the group NR5R6 wherein R5 and R6 are as hereinbefore defined:
X is chosen from oxygen and sulfur and
n is 0, 1 or 2.
这些化合物是除草剂。本文描述了含有作为活性成分的式 I 化合物的除草组合物、通过向植物或植物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、制备式 I 化合物的工艺以及用于制备式 I 化合物的中间体。
制备的式 I 化合物
或其盐,其中
磺酰胺基、羧基、氨基甲酰基、C2 至 C6 烯基、C3 至 C7 环烷基、可能取代的苯基、苯氧基、苯硫基,其中 A、B、D、E 和 T 中至少有一个不是氢,烷基含有 1 至 6 个碳原子、
R'选自由氢、烷基、烯基、炔基、烷氧基烷基、卤代烷基、烷酰基组成的组,所有烷基均含有至多 10 个碳原子,或可能是取代的苯基、苄基、苯甲酰基、
R2 选自氢、烷基、烯基、烷氧基烷基、卤代烷基(均最多含有 6 个碳原子)、乙酰基、丙酰基和 C2 至 C6 烷氧基羰基组成的组,R3 选自氢、烷基、烯基、烷氧基烷基(均最多含有 6 个碳原子)和 C1 至 C4 卤代烷基组成的组,或 R2 和 R3 可共同形成 C1 至 C3 亚烷基、
W 选自氰基、硫代氨基甲酰基、-C-G 和 CH2Z 所组成的组,其中:
G 选自由羟基、巯基、可能取代的 C1 至 C10 烷氧基、C2 至 C10 烯氧基、C2 至 C10 烷炔氧基、C1 至 C10 烷硫基、C2 至 C10 烯硫基、C2 至 C10 烷炔硫基、可能取代的 C3 至 C7 环烷氧基、可能取代的苯氧基、苯硫基、苄氧基、苄硫基组成的组、基团 OM(其中 M 是无机碱或有机碱的阳离子)、基团-NNSO2R4(其中 R4 选自 C4 至 C10 烷基和 C, 至 C10 卤代烷基)和基团-NR5R6(其中 R5 和 R6 独立地选自氢、C1 至 C6 烷基、苯基和苄基组成的组,或 R5 和 R6 共同形成杂环,以及
Z 选自由卤素、羟基、巯基、可能取代的 C1 至 C10 烷氧基、可能取代的 C1 至 C10 硫代烷基、甲酰基和基团 NR5R6(其中 R5 和 R6 如前定义)组成的组:
X 选自氧和硫,以及
n 为 0、1 或 2。