申请人:——
公开号:US20020055639A1
公开(公告)日:2002-05-09
Compounds of formula I
1
R
11
is hydrogen, fluorine, chlorine, bromine or methyl;
R
12
is hydrogen, halogen, methyl, halomethyl, nitro, amino, hydroxy, OHC—, HOC(O)—, cyano, C
1
-C
4
alkoxycarbonyl or halomethoxy;
X
1
is O, S, R
20
N═ or R
25
ON═;
R
13
is hydroxy, C
1
-C
6
alkoxy, C
3
-C
6
alkenyloxy, C
3
-C
6
alkynyloxy, C
1
-C
6
haloalkoxy, C
3
-C
6
-haloalkenyloxy, C
1
-C
6
alkoxy-C
1
-C
6
alkyl, C
3
-C
6
alkenyloxy-C
1
-C
6
alkyl, C
3
-C
6
alkynyloxy-C
1
-C
6
-alkyl, C
1
-C
6
alkoxy-C
1
-C
6
alkoxy-C
1
-C
6
alkyl, B
1
-C
1
-C
6
alkoxy, R
21
(R
22
)N, C
1
-C
6
alkyl, C
3
-C
6
-alkenyl, C
3
-C
6
alkynyl, C
2
-C
6
haloalkyl, C
3
-C
6
haloalkenyl, C
3
-C
6
cycloalkyl, C
3
-C
6
halocycloalkyl, B
1
-C
1
-C
6
alkyl, OHC—, C
1
-C
6
alkylcarbonyl, C
1
-C
6
alkylcarbonyloxy, C
1
-C
6
haloalkylcarbonyl, C
2
-C
6
alkenylcarbonyl, C
1
-C
6
alkoxycarbonyl, C
1
-C
6
alkyl-S(O)
2
—, C
1
-C
6
haloalkyl-S(O)
2
—, (C
1
-C
6
-alkyl)
2
N—N═CH—,
2
B
1
-CH═N—, (CH
3
)
2
N—CH═N—, (C
1
-C
5
-hydroxyalkyl)-CH
2
—, (B
1
-C
1
-C
5
hydroxyalkyl)-CH
2
—, (B
1
-C
1
-C
5
haloalkyl)-CH
2
—, (hydroxy-C
1
-C
5
-alkyl)-O— or (B
1
-C
1
-C
5
hydroxyalkyl)-O—; or
X
1
and R
13
together are a group ═N—Y— wherein Y is bonded to the ring nitrogen atom; and R
20
, R
21
, R
22
, R
25
, B
1
and y are as defined in claim
1,
and the pyrazole N-oxides, agrochemically acceptable salts and stereoisomers of those compounds of formula I, have good selective herbicidal properties pre- and post-emergence. The preparation of those compounds and the use thereof as herbicidal active ingredients are described.
式I的化合物中,R11为氢、氟、氯、溴或甲基;R12为氢、卤素、甲基、卤代甲基、硝基、氨基、羟基、OHC—、HOC(O)—、氰基、C1-C4烷氧羰基或卤代甲氧基;X1为O、S、R20N═或R25ON═;R13为羟基、C1-C6烷氧基、C3-C6烯基氧基、C3-C6炔基氧基、C1-C6卤代烷氧基、C3-C6卤代烯基氧基、C1-C6烷氧-C1-C6烷基、C3-C6烯基氧-C1-C6烷基、C3-C6炔基氧-C1-C6烷基、C1-C6烷氧-C1-C6烷氧-C1-C6烷基、B1-C1-C6烷氧基、R21(R22)N、C1-C6烷基、C3-C6烯基、C3-C6炔基、C2-C6卤代烷基、C3-C6卤代烯基、C3-C6环烷基、C3-C6卤代环烷基、B1-C1-C6烷基、OHC—、C1-C6烷基羰基、C1-C6烷基羰酸酯、C1-C6卤代烷基羰基、C2-C6烯基羰基、C1-C6烷氧羰基、C1-C6烷基-S(O)2—、C1-C6卤代烷基-S(O)2—、(C1-C6-烷基)2N—N═CH—、2B1-CH═N—、(CH3)2N—CH═N—、(C1-C5-羟基烷基)-CH2—、(B1-C1-C5羟基烷基)-CH2—、(B1-C1-C5卤代烷基)-CH2—、(羟基-C1-C5-烷基)-O—或(B1-C1-C5羟基烷基)-O—;或X1和R13一起是一个═N—Y—基团,其中Y与环氮原子相连;R20、R21、R22、R25、B1和y如权利要求1所定义,式I的吡唑烷氧化物、农药中可接受的盐和立体异构体具有良好的选择性除草性能,描述了这些化合物的制备和用作除草活性成分的用途。