Process for Production of 5-Alkoxy-4-Hydroxymethylpyrazole Compound
申请人:Uchida Yukio
公开号:US20090036688A1
公开(公告)日:2009-02-05
The present invention relates to a process for producing a 5-alkoxy-4-hydroxymethylpyrazole compound represented by the general formula (3)
which comprises reacting a pyrazole compound represented by the general formula (1)
(wherein R
1
is a substituent such as alkyl group, substituted or unsubstituted group or the like, and R
2
is an electron withdrawing group) with a compound represented by the general formula (2)
L-R
3
(2)
(wherein L is a leaving group and R
3
is a substituent such as substituted or unsubstituted alkyl group or the like) in the presence of a base and formaldehyde.
Process for production of 5-alkoxy-4-hydroxymethylpyrazole compound
申请人:Ihara Chemical Industry Co., Ltd.
公开号:US07812175B2
公开(公告)日:2010-10-12
The present invention relates to a process for producing a 5-alkoxy-4-hydroxymethylpyrazole compound represented by the general formula (3)
which comprises reacting a pyrazole compound represented by the general formula (1)
(wherein R1 is a substituent such as alkyl group, substituted or unsubstituted group or the like, and R2 is an electron withdrawing group) with a compound represented by the general formula (2)
L-R3 (2)
(wherein L is a leaving group and R3 is a substituent such as substituted or unsubstituted alkyl group or the like) in the presence of a base and formaldehyde.