| abstract |
The present invention relates to optically active herbicidal (R)-phenoxypropionic acid N-methyl-N-2-fluorophenyl amide compounds represented in the following formula (1), a method for preparing thereof, their use to prevent generation of barnyard grass produced from rice and composition as suitable herbicides, (I) wherein X is hydrogen, halogen, hydroxy, NH 2 , CO 2 H, C 1 -C 6 alkylamino substituted with 1 or 2 of C 1 -C 3 alkyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 3 haloalkyl, C 1 -C 3 haloalkoxy, C 2 -C 4 alkoxyalkoxy, C 1 -C 4 alkylthonyl, C 1 -C 4 alkylsulfonyl, C 2 -C 6 alkenyl, C 2 -C 6 alkinyl, C 2 -C 6 alkenyloxy, C 2 -C 6 alkinyloxy, C 1 -C 3 alkoxycarbonyl, or C 1 -C 3 alkylcarbonyl; is hydrogen or fluoro; and n is an integer of 0 to 2, wherein X can be a combination of other substituents when n is 2. |