发明名称 |
PROCESS FOR PRODUCTION OF 5-ALKOXY-4-HYDROXYMETHYLPYRAZOLE COMPOUND |
摘要 |
Disclosed is a process for production of a 5-alkoxy-4-hydroxymethylpyrazole compound with good efficiency in a simple manner. A process for production of a 5-alkoxy-4-hydroxymethylpyrazole compound represented by the genera formula (3): (3) [wherein R1 represents a substituent such as an alkyl group and an aryl group which may have a substituent; R2 represents an electron-withdrawing group; and R3 represents a substituent such as an alkyl group which may have a substituent] comprises the step of reacting a pyrazole compound represented by the general formula (1): (1) [wherein R1 and R2 are as defined above] with a compound represented by the general formula (2): L-R3 (2) [wherein L represents a leaving group; and R3 is as defined above] in the presence of a base and formaldehyde. |
申请公布号 |
KR20080093445(A) |
申请公布日期 |
2008.10.21 |
申请号 |
KR20087020049 |
申请日期 |
2007.02.08 |
申请人 |
IHARA CHEMICAL INDUSTRY CO., LTD. |
发明人 |
UCHIDA YUKIO;ATSUMI NAOYA |
分类号 |
C07D231/20 |
主分类号 |
C07D231/20 |
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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