| abstract |
An isoxazoline derivative which is represented by the general formula: [I] wherein R 1 and R 2 represent an alkyl group and may be the same or different, R 3 , R 4 , R 5 and R 6 represent a hydrogen atom, Y is a thiophen-3-yl group and the thiophehe ring is substituted with the substituent group α at the 2- and 4-positions; or a isoxazol-4-yl group and the isoxazole ring is substituted with the substituent group α at the 3- and 5-positions; or a isothiazol-4-yl group and the isothiazole ring is substituted with the substituent group α at the 3- and 5-positions; or a pyridine-3-yl group and the pyridine ring is substituted with the substituent group α at the 2- and 4-positions; or a pyrimidin-5-yl group and the pyrimidine ring is substituted with the substituent group α at the 4- and 6-positions, and n represents an integer of 0 to 2. The isoxazoline derivative exhibits excellent herbicidal effect and selectivity between a crop and a weed. |