发明名称 |
PYRAZOLE DERIVATIVES AND PROCESS FOR THE PRODUCTION THEREOF |
摘要 |
The invention relates to pyrazole derivatives useful as intermediates in the production of isoxazoline derivatives having excellent herbicidal activity a nd crops-weeds selectivity and a process for the production thereof. Pyrazole derivatives represented by the general formula [I] or pharmacologically acceptable salts thereof: [I] wherein R1 is C1-6 alkyl; R2 is C1-3 haloalkyl ; R3 is hydrogen, C1-3 alkyl which may have one or more substituents selected from group .alpha. of substituents, or formyl; and R4 is hydrogen or C1-3 haloalkyl (with the proviso that when R3 is hydrogen or formyl, R4 is C1-3 haloalkyl, while when R3 is C1-3 alkyl which may have one or more substituen ts selected from group .alpha. of substituents, R4 is hydrogen or C1-3 haloalky l).
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申请公布号 |
CA2494130(A1) |
申请公布日期 |
2004.02.12 |
申请号 |
CA20032494130 |
申请日期 |
2003.07.31 |
申请人 |
IHARA CHEMICAL INDUSTRY CO., LTD.;KUMIAI CHEMICAL INDUSTRY CO., LTD. |
发明人 |
NAKATANI, MASAO;MIYAZAKI, MASAHIRO;ITO, MINORU |
分类号 |
C07D231/20;C07D231/22;(IPC1-7):C07D231/20 |
主分类号 |
C07D231/20 |
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