申请人:RHONE-POULENC AGRICULTURE LTD.
公开号:EP0580439A1
公开(公告)日:1994-01-26
4-Benzoylisoxazole derivatives of formula (I):
wherein:
R represents hydrogen or -CO₂R⁴;
R¹ represents alkyl, haloalkyl or optionally substituted cycloalkyl;
R² represents halogen, alkyl, haloalkyl or alkyl substituted by -OR⁵, or a group selected from nitro, cyano, -CO₂R⁴, -S(O)pR⁶, -O(CH₂)rOR⁵ and -OR⁵;
R³ represents optionally substituted phenyl;
X represents oxygen or -S(O)q-;
n represents zero or an integer from one to four;
R⁴ and R⁵ independently represent alkyl or haloalkyl;
R⁶ represents alkyl, haloalkyl or optionally substituted phenyl;
R⁷ represents halogen, alkyl or haloalkyl or a group selected from nitro, cyano, -OR⁵ and -S(O)pR⁶;
p represents 0, 1 or 2; q represents 0, 1 or 2;
r represents 1, 2 or 3;
the herbicidal properties of these derivatives and their application to crop protection is described.
式 (I) 的 4-苯甲酰异噁唑衍生物:
其中
R 代表氢或-CO₂R⁴;
R¹ 代表烷基、卤代烷基或任选取代的环烷基;
R² 代表卤素、烷基、卤代烷基或被-OR⁵取代的烷基,或选自硝基、氰基、-CO₂R⁴、-S(O)pR⁶、-O(CH₂)rOR⁵和-OR⁵的基团;
R³ 代表任选取代的苯基;
X 代表氧或-S(O)q-;
n 代表零或一至四的整数;
R⁴ 和 R⁵ 各自代表烷基或卤代烷基;
R⁶ 代表烷基、卤代烷基或任选取代的苯基;
R⁷ 代表卤素、烷基或卤代烷基或选自硝基、氰基、-OR⁵ 和 -S(O)pR⁶ 的基团;
p 代表 0、1 或 2; q 代表 0、1 或 2;
r 代表 1、2 或 3;
描述了这些衍生物的除草特性及其在作物保护中的应用。