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    • 8. 发明专利
    • BR0313178A
    • 2005-06-14
    • BR0313178
    • 2003-07-31
    • IHARA CHEMICAL IND COKUMIAI CHEMICAL INDUSTRY CO
    • NAKATANI MASAOITO MINORUMIYAZAKI MASAHIRO
    • C07D231/20C07D231/22
    • The present invention provides pyrazole derivatives useful as production intermediates for isoxazoline derivatives having an excellent herbicidal effect and selectivity between crops and weeds as well as processes for producing the same. The pyrazole derivatives or pharmaceutically acceptable salts thereof which are inventive compounds are represented by the general formula ÄIÜ or a salt thereof: wherein R represents a C1 to C6 alkyl group, R represents a C1 to C3 haloalkyl group, R represents a hydrogen atom, a C1 to C3 alkyl group which may be substituted with one or more substituents selected from the following substituent group alpha , or a formyl group, R represents a hydrogen atom or a C1 to C3 haloalkyl group, provided that R represents a C1 to C3 haloalkyl group in the case that R is a hydrogen or a formyl group, and R is a hydrogen group or a C1 to C3 haloalkyl group in the case that R is a C1 to C3 alkyl group which may be substituted with one or more substituents selected from the following substituent group alpha .