| 摘要 |
4-Benzoyl isoxazole derivatives of general formula (I): (I) wherein: R1 represents a methyl, ethyl, isopropyl, cyclopropyl or 1-methylcyclopropyl group; R2 represents a straight- or branched- chain alkyl or alkoxy group containing up to four carbon atoms; R3 represents: a hydrogen, chlorine, bromine or fluorine atom; or a group selected from R5,-CO2R5 and -OR5; or a straight- or branched- chain alkyl group containing up to four carbon atoms substituted by -OR5; or a straight- or branched- chain alkoxy group containing up to four carbon atoms substituted by -OR5; R4 represents -S(O)nR; R5 represents: a straight- or branched- chain alkyl group containing up to 4 carbon atoms which is optionally substituted by one or more halogen atoms; R represents a methyl or ethyl group; and n represents zero, one or two; and their use as herbicides are described.
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