2-furancarboxylic acid hydrazides and pharmaceutical compositions containing the same
申请人:Dainippon Pharmaceutical Co., Ltd
公开号:US07514452B2
公开(公告)日:2009-04-07
The present invention provides 2-furancarboxylic acid hydrazide compounds represented by General Formula (I) below, and prodrugs, physiologically acceptable salts, hydrates, solvates thereof:
wherein A is a group represented by Formula (a) or the like:
(wherein either R4 or R5 represents cyano, nitro or the like, and the other represents a hydrogen atom or the like); either R1 or R2 represents a group: -D-(X)m-R6 or the like, and the other represents a group: -E-(Y)n-R7, hydrogen atom, aryl or the like; R3 is a hydrogen atom or the like; D and E independently represent aryl; X and Y independently represent O or the like; R6 and R7 independently represent alkyl, aryl, arylalkyl or the like; and m and n are independently 0 or 1, provided that the aryl is optionally substituted.
本发明提供了由下式(I)表示的2-呋喃羧酸肼化合物,以及其前药、生理上可接受的盐、水合物、溶剂化物:
其中,A是由式(a)或类似式表示的基团:(其中,R4或R5表示氰基、硝基或类似基团,另一个表示氢原子或类似基团);R1或R2表示群:-D-(X)m-R6或类似群,另一个表示群:-E-(Y)n-R7、氢原子、芳基或类似基团;R3是氢原子或类似基团;D和E独立地表示芳基;X和Y独立地表示O或类似基团;R6和R7独立地表示烷基、芳基、芳基烷基或类似基团;m和n独立地为0或1,但芳基可以选择性地被取代。