申请人:RHONE POULENC AGRICULTURE LTD.
公开号:EP0609798A1
公开(公告)日:1994-08-10
The invention relates to 4-benzoylisoxazole derivatives of formula (I):
wherein:
R represents the hydrogen atom or a group -CO₂R⁴;
R¹ represents alkyl, haloalkyl or optionally substituted cycloalkyl;
R² represents halogen, optionally halogenated alkyl, alkenyl or alkynyl, alkyl substituted by one or more groups -OR⁵; or a group selected from nitro, cyano, -CO₂R⁵, -S(O)pR⁶, -O(CH₂)mOR⁵, -COR⁵, -NR⁶¹R⁶², -N(R⁸)SO₂R⁷, -OR⁵, -OSO₂R⁷ and -(CR⁹R¹⁰)t-S(O)qR⁷;
R³ represents -S(O)qR⁷;
X represents -(CR⁹R¹⁰)t-;
n represents zero or an integer from one to four;
R⁴ represents alkyl or haloalkyl
R⁵ represents optionally halogenated alkyl, alkenyl or alkynyl;
R⁶, R⁶¹ and R⁶², which may be the same or different, each represents alkyl, haloalkyl or optionally substituted phenyl;
R⁷ represents optionally halogenated alkyl, alkenyl or alkynyl, or optionally subtituted phenyl or benzyl;
R⁸ represents hydrogen or optionally halogenated alkyl, alkenyl or alkynyl;
R⁹ and R¹⁰, which may be the same or different, each represents hydrogen, alkyl, haloalkyl or optionally substituted phenyl
p represents zero, one or two;
q represents zero, one or two;
m represents 1, 2 or 3;
t represents an integer from one to four;
or an agriculturally acceptable salt thereof; and to their use as herbicides.
本发明涉及式(I)的 4-苯甲酰异噁唑衍生物:
其中
R 代表氢原子或基团 -CO₂R⁴ ;
R¹ 代表烷基、卤代烷基或任选取代的环烷基;
R² 代表卤素、任选卤代的烷基、烯基或炔基、被一个或多个基团 -OR⁵ 取代的烷基;或选自硝基、氰基、-CO₂R⁵、-S(O)pR⁶、-O(CH₂)mOR⁵、-COR⁵、-NR⁶¹R⁶²、-N(R⁸)SO₂R⁷、-OR⁵、-OSO₂R⁷和-(CR⁹R¹⁰)t-S(O)qR⁷的基团;
R³ 代表-S(O)qR⁷;
X 代表-(CR⁹R¹⁰)t-;
n 代表零或一至四的整数;
R⁴ 代表烷基或卤代烷基
R⁵ 代表任选卤代烷基、烯基或炔基;
R⁶、R⁶¹ 和 R⁶² 可以相同或不同,各自代表烷基、卤代烷基或任选取代的苯基;
R⁷ 代表任选卤代烷基、烯基或炔基,或任选取代的苯基或苄基;
R⁸ 代表氢或任选卤代的烷基、烯基或炔基;
R⁹ 和 R¹⁰ 可以相同或不同,各自代表氢、烷基、卤代烷基或任选取代的苯基
p 代表零、一个或两个
q 代表零、一个或两个
m 代表 1、2 或 3;
t 代表一至四的整数;
或其农业上可接受的盐;以及它们作为除草剂的用途。