Phenylsulfonyl ureas, process for their preparation and their use as herbicides and plant growth regulators
申请人:——
公开号:US20040176251A1
公开(公告)日:2004-09-09
Compounds of the formula (I) or salts thereof
1
in which
R
1
is a hydrogen atom, a hydrocarbon radical or a heterocyclyl radical, where each of the two last-mentioned radicals is unsubstituted or substituted and, including substituents, has from 1 to 30 carbon atoms, preferably from 1 to 20 carbon atoms,
R
2
is a group of the formula R
0
-Q
0
- in which
R
0
is a hydrogen atom, a hydrocarbon radical or a heterocyclyl radical, where each of the two last-mentioned radicals is unsubstituted or substituted and, including substituents, has from 1 to 30 carbon atoms, preferably from 1 to 20 carbon atoms, and
Q
0
is a direct bond or a divalent group of the formula —O— or —N(R
#
)—, where R
#
is a hydrogen atom, an acyl radical or a hydrocarbon radical and where the last-mentioned radical is unsubstituted or substituted and, including substituents, has from 1 to 30 carbon atoms, preferably from 1 to 20 carbon atoms,
R
3
is a hydrogen atom, a hydrocarbon radical or a heterocyclyl radical, where each of the two last-mentioned radicals is unsubstituted or substituted and, including substituents, has from 1 to 30 carbon atoms, preferably from 1 to 20 carbon atoms,
R
4
independently of one another, are halogen, OH, SH, a nitrogen-containing radical which does not contain any carbon or a carbon-containing radical,
I is
0, 1, 2
or
3
, preferably
0
or
1,
R
5
is a hydrogen atom or a C
1
-C
10
-hydrocarbon radical which is unsubstituted or substituted, such as (C
1
-C
4
)alkyl, preferably H or CH
3
),
Q is O, S or NR*,
R* is a hydrogen atom or a C
1
-C
10
-hydrocarbon radical which is unsubstituted or substituted such as (C
1
-C
4
)alkyl, (C
3
-C
4
)alkenyl or (C
3
-C
4
)alkynyl, where each of the three last-mentioned radicals is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (C
1
-C
4
)alkoxy and (C
1
-C
4
)alkylthio,
W is an oxygen or sulfur atom,
X, Y independently of one another are a hydrogen atom, halogen, (C
1
-C
4
)alkyl, (C
1
-C
4
)alkoxy, (C
1
-C
4
)alkylthio, where each of the
3
last-mentioned radicals is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (C
1
-C
4
)alkoxy and (C
1
-C
4
)alkylthio, or are mono- or di[(C
1
-C
4
)alkyl]amino, (C
2
-C
6
)alkenyl, (C
2
-C
6
)alkynyl, (C
3
-C
6
)alkenyloxy or (C
3
-C
6
)alkynyloxy, and
V, Z independently of one another are CH or N,
are suitable for use as herbicides or plant growth regulators, for example for controlling harmful plants in crop plants, including transgenic crop plants. They can be prepared by the processes according to claim 6 via intermediates, some of which are novel (cf. compounds (II*) and (X*) and (VIII) as claimed in claims 12, 14 and 16).
式(I)的化合物或其盐,其中R1是氢原子、烃基或杂环基,其中上述两种基团中的每一个均为未取代或取代的,并且包括取代基,具有1至30个碳原子,优选具有1至20个碳原子,R2是具有式R0-Q0-的基团,其中R0是氢原子、烃基或杂环基,其中上述两种基团中的每一个均为未取代或取代的,并且包括取代基,具有1至30个碳原子,优选具有1至20个碳原子,而Q0是直接键或具有式—O—或—N(R#)—的二价基团,其中R#是氢原子、酰基基团或烃基,上述最后提到的基团为未取代或取代的,并且包括取代基,具有1至30个碳原子,优选具有1至20个碳原子,R3是氢原子、烃基或杂环基,其中上述两种基团中的每一个均为未取代或取代的,并且包括取代基,具有1至30个碳原子,优选具有1至20个碳原子,R4独立地是卤素、羟基、硫基、不含任何碳的含氮基团或含碳基团,I为0、1、2或3,优选为0或1,R5是氢原子或未取代或取代的C1-C10烃基,例如(C1-C4)烷基,优选为H或CH3,Q是O、S或NR*,R*是氢原子或未取代或取代的C1-C10烃基,例如(C1-C4)烷基、(C3-C4)烯基或(C3-C4)炔基,上述三种最后提到的基团均为未取代或取代的,其中每个基团均可由卤素、(C1-C4)烷氧基和(C1-C4)烷基硫基等基团中的一个或多个基团选择,W为氧或硫原子,X、Y独立地是氢原子、卤素、(C1-C4)烷基、(C1-C4)烷氧基、(C1-C4)烷基硫基,其中上述三种基团中的每一个均为未取代或取代的,并且可由卤素、(C1-C4)烷氧基和(C1-C4)烷基硫基等基团中的一个或多个基团选择,或者是单取代或双取代的(C1-C4)烷基氨基、(C2-C6)烯基、(C2-C6)炔基、(C3-C6)烯氧基或(C3-C6)炔氧基,V、Z独立地为CH或N,适用于用作除草剂或植物生长调节剂,例如用于控制作物中有害植物,包括转基因作物。它们可以通过第6项权利要求中的方法制备,其中包括一些新颖的中间体(参见权利要求12、14和16中声明的化合物(II*)、(X*)和(VIII))。