Herbicidal substituted pyridines, their preparation, and their use as herbicides and plant growth regulators
申请人:——
公开号:US20030229125A1
公开(公告)日:2003-12-11
The present invention relates to a compound of the formula (I) or salt thereof
1
in which
R
1
is identical or different at each occurrence and is H, halogen, CN, nitro, SF
5
, (C
1
-C
8
)alkyl, (C
2
-C
8
)alkenyl, (C
2
-C
8
)alkynyl, (C
1
-C
8
)alkoxy, [(C
1
-C
8
)alkyl]carbonyl or (C
1
-C
8
)alkylsulfonyl, each of the radicals being unsubstituted or substituted,
or is S(O)
p
-R
7
, where
p=0, 1 or 2 and
R
7
is (C
1
-C
8
)alkyl, (C
1
-C
8
)haloalkyl or NR
8
R
9
, where R
8
and R
9
independently of one another are identical or different and are H, (C
1
-C
8
)alkyl, (C
2
-C
8
)alkenyl, (C
7
-C
10
)arylalkyl, (C
7
-C
10
)alkylaryl or (C
6
-C
10
)aryl, each of the last-mentioned five radicals being unsubstituted or substituted,
or is a group of the formula
2
where R
10
is (C
1
-C
8
)alkyl which is unsubstituted, or substituted, and W=O or S,
A is optionally substituted aryl or an optionally substituted heterocyclic radical,
X is O or S,
R
2
,R
3
,R
4
, and R
5
are identical or different and are H, halogen, CN, (C
1
-C
8
)alkoxy or (C
1
-C
8
)alkyl, each of the two last-mentioned radicals being unsubstituted or substituted,
m is 0 or 1,
R
6
is H, (C
1
-C
8
)alkyl, (C
1
-C
8
)alkoxy, (C
2
-C
8
)alkenyl or (C
2
-C
8
)alkynyl, each of the four last-mentioned radicals being unsubstituted or substituted, or is hydroxyl or an acyl radical, and
B is an acyl radical,
or B and R
6
together form a 4- or 5-membered chain, with the exception of N-hydroxy-N-[(6-phenoxy-2-pyridyl)methyl]-acetamide and its salts.
The compounds of the invention are suitable, for example, as herbicides and growth regulators.
本发明涉及一种式(I)的化合物或其盐,其中R1在每次出现时相同或不同,且为H、卤素、CN、硝基、SF5、(C1-C8)烷基、(C2-C8)烯基、(C2-C8)炔基、(C1-C8)烷氧基、[(C1-C8)烷基]羰基或(C1-C8)烷基磺酰基,每个基团均为未取代或取代的,或者为S(O)p-R7,其中p = 0、1或2,R7为(C1-C8)烷基、(C1-C8)卤代烷基或NR8R9,其中R8和R9彼此独立且相同或不同,为H、(C1-C8)烷基、(C2-C8)烯基、(C7-C10)芳基烷基、(C7-C10)烷基芳基或(C6-C10)芳基,最后提到的五个基团中每个基团均为未取代或取代的,或为式2的基团,其中R10为未取代或取代的(C1-C8)烷基,W = O或S,A为可选取代的芳基或可选取代的杂环基,X为O或S,R2、R3、R4和R5相同或不同,为H、卤素、CN、(C1-C8)烷氧基或(C1-C8)烷基,最后提到的两个基团中每个基团均为未取代或取代的,m为0或1,R6为H、(C1-C8)烷基、(C1-C8)烷氧基、(C2-C8)烯基或(C2-C8)炔基,最后提到的四个基团中每个基团均为未取代或取代的,或为羟基或酰基基团,且B为酰基基团,或B和R6一起形成4-或5-成员链,但不包括N-羟基-N-[(6-苯氧基-2-吡啶基)甲基]-乙酰胺及其盐。该发明的化合物适用于除草剂和生长调节剂等领域。