发明名称 |
Process for the preparation of 5-fluoro-1-alkyl-3-fluoroalky1-1H-pyrazole-4-carbonyl chlorides and fluorides |
摘要 |
The present invention relates to a novel process for the preparation of 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl halides and the intermediates occurring in this process, ethyl 5-chloro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carboxylate and ethyl 5-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carboxylate. |
申请公布号 |
US8431718(B2) |
申请公布日期 |
2013.04.30 |
申请号 |
US201113092429 |
申请日期 |
2011.04.22 |
申请人 |
PAZENOK SERGII;LUI NORBERT;GARY STEPHANIE;BAYER CROPSCIENCE AG |
发明人 |
PAZENOK SERGII;LUI NORBERT;GARY STEPHANIE |
分类号 |
C07D231/10 |
主分类号 |
C07D231/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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