申请人:Daikin Kogyo Co., Ltd.
公开号:EP0118661A2
公开(公告)日:1984-09-19
A fluorine-containing benzophenone derivative of the formula:
wherein R1 is a group of the formula: -OM (in which M is hydrogen or alkali metal), lower alkoxy, lower acyloxy, a group of the formula:
(in which R3 and R4 are same or different and hydrogen or lower alkyl) or a group of the formula: -OCH2COOR5 (in which R5 is hydrogen, lower alkyl or alkali metal); R2 is halogen, nitro, chlorosulfonyl, sulfo, trifluoromethyl or a group of the formula: -SCF2H; and m and n are each an integer of 1 to 4 provided that the sum of m and n is not more than 5 having selective herbicidal activities on grasses and crops.
一种式如下的含氟二苯甲酮衍生物 其中 R1 是式如下的基团:-OM(其中 M 为氢或碱金属)、低级烷氧基、低级酰氧基、式如下的基团:(其中 R3 和 R4 相同或不同,且为氢或低级烷基)或式如下的基团:-OCH2COOR5(其中 R5 为氢、低级烷基或碱金属);R2 是卤素、硝基、氯磺酰基、磺酰基、三氟甲基或式如下的基团:-SCF2H;m 和 n 各为 1 至 4 的整数,但 m 和 n 之和不超过 5,对禾本科植物和作物具有选择性除草活性。