申请人:——
公开号:US20020045551A1
公开(公告)日:2002-04-18
4-Benzoylisoxazole derivatives of formula (I), wherein R
1
represents hydrogen or ester; R
1
represents alkyl, haloalkyl or optionally substituted cycloalkyl; R
2
represents halogen, optionally halogenated alkyl, alkenyl or alkynyl; alkyl substituted by one or more groups —OR
5
; nitro, cyano, —CO
2
R
5
, —S(O)
p
R
6
, —O(CH
2
)
m
OR
5
, —COR
5
, —NR
5
R
6
, —N(R
8
)SO
q
R
7
, —CONR
9
R
10
or —OR
51
; optionally substituted phenyl; R
3
represents —S(O)
q
R
7
; X represents —N(R
8
)—; n represents zero or an integer from one to four; R
5
, R
51
and R
6
independently represent hydrogen, optionally halogenated alkyl, alkenyl or alkynyl; optionally substituted phenyl; or cycloalkyl; R
7
represents alkyl, alkenyl or alkynyl optionally substituted by halogens; cycloalkyl; optionally substituted phenyl; or amino; R
8
represents hydrogen; alkyl, alkenyl or alkynyl optionally substituted by halogens; cycloalkyl; optionally substituted phenyl; or alkoxy; m is 1, 2 or 3; p is 0, 1 or 2; and q is zero or two; and their used as herbicides is described.
公式(I)中的4-苯甲酰异噁唑衍生物,其中R1表示氢或酯;R1表示烷基,卤代烷基或可选取代的环烷基;R2表示卤素,可选卤代烷基,烯烃基或炔基;烷基被一个或多个基团-OR5取代;硝基,氰基,-CO2R5,-S(O)pR6,-O(CH2)mOR5,-COR5,-NR5R6,-N(R8)SOqR7,-CONR9R10或-OR51;可选取代的苯基;R3表示-S(O)qR7;X表示-N(R8)-;n表示零或从一到四的整数;R5、R51和R6独立地表示氢,可选卤代烷基,烯烃基或炔基;可选取代的苯基;或环烷基;R7表示烷基,烯烃基或炔基,可选取代卤素;环烷基;可选取代的苯基;或氨基;R8表示氢;烷基,烯烃基或炔基,可选取代卤素;环烷基;可选取代的苯基;或烷氧基;m为1、2或3;p为0、1或2;q为零或二;并描述了它们作为除草剂的用途。