申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0190945A2
公开(公告)日:1986-08-13
Compounds of the formula
wherein R' is optionally substituted phenyl or thienyl;
R2, R3, R4, R3, and R4, are organic groups, or other than R2 may be halogen, CN or N02.
X is F, CH3 or OR6, where R6 is H or an organic group;
X' is H, F, CH3 or OR6;
L is keto or alkylene;
exhibit herbicidal activity, especially selective activity on weeds in rice. Some also show a plant growth regulant effect.
The novel compounds may be made e.g. be peroxidising an appropriate olefinic starting material.
式中 R'为任选取代的苯基或噻吩基;R2、R3、R4 为有机基团,或除 R2 外为卤素、CN 或 N02;X 为 F、CH3 或 OR6,其中 R6 为 H 或有机基团;X'为 H、F、CH3 或 OR6;L 为酮或亚烷基;具有除草活性,特别是对水稻杂草的选择性活性。 有些化合物还具有植物生长调节作用。 新型化合物可通过过氧化适当的烯烃起始原料等方法制成。