发明名称 |
Process for the preparation of pyrazoles |
摘要 |
The present invention relates to a process for the preparation of compounds of formula I wherein R1 is C1-C4haloalkyl; R2 is C1-C6alkyl and R3 is methyl or ethyl, by reaction of compounds of formula II wherein the substituents are as defined for formula I, with compounds of formula III wherein R3 is as defined for formula I and n is 0 or 1.
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申请公布号 |
US7678924(B2) |
申请公布日期 |
2010.03.16 |
申请号 |
US20050577511 |
申请日期 |
2005.10.19 |
申请人 |
SYNGENTA CROP PROTECTION, INC. |
发明人 |
WALTER HARALD;CORSI CAMILLA;EHRENFREUND JOSEF;LAMBERTH CLEMENS;TOBLER HANS |
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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