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.
本发明涉及一种生产5-烷氧基-4-羟甲基吡唑化合物的方法,其由通式(3)所表示,包括将通式(1)所表示的吡唑化合物(其中R1是取代基如烷基,取代或未取代基或类似物,R2是电子吸引基)与通式(2)所表示的化合物L-R3(其中L是离去基,R3是取代或未取代的烷基或类似物)在碱和甲醛存在下反应。