申请人:Fuji Photo Film Co., Ltd.
公开号:EP0464736A1
公开(公告)日:1992-01-08
There is disclosed a process for producing 5-amino-4-halogeno-1H-pyrazole compounds comprising reacting a compound represented by the following formula (I) with a halogenating agent to obtain a compound represented by the following formula (II):
wherein R represents a hydrogen atom, an alkyl group, or an aryl group, m is 0 or an integer, and Y represents an organic or inorganic acid radical,
wherein R has the same meaning as defined above in formula (I), X represents a halogen atom, n is 0 or an integer, and Z represents an organic or inorganic acid radical.
本发明公开了一种生产 5-氨基-4-卤代-1H-吡唑化合物的工艺,包括将下式 (I) 所代表的化合物与卤化剂反应,得到下式 (II) 所代表的化合物:
其中 R 代表氢原子、烷基或芳基,m 为 0 或整数,Y 代表有机或无机酸基、
其中 R 与上式(I)中定义的含义相同,X 代表卤素原子,n 为 0 或整数,Z 代表有机或无机酸基。