申请人:Nikken Chemicals Company, Limited
公开号:EP0807626A1
公开(公告)日:1997-11-19
An N-hydroxyurea derivative or a pharmacologically acceptable salt thereof having the formula (I):
wherein, A represents CH, CH-CH2, CH-O, or C=CH, X represents O or S, B represents a C1 to C8 alkylene, C2 to C6 alkenylene, m-phenylene, or p-phenylene, R represents a hydrogen atom, halogen atom, C1 to C4 alkyl which may be substituted with a halogen atom, C1 to C4 alkoxy which may be substituted with a halogen atom, or nitro, R1 represents a hydrogen atom, C1 to C4 lower alkyl, or phenyl, and R2 represents a hydrogen atom, C1 to C4 alkyl, cycloalkyl, phenyl which may be substituted with a substituent, or methanesulfonyl.
一种具有式(I)的 N-羟基脲衍生物或其药理学上可接受的盐:
其中,A 代表 CH、CH-CH2、CH-O 或 C=CH,X 代表 O 或 S,B 代表 C1 至 C8 亚烷基、C2 至 C6 烯基、间苯二酚或对苯二酚,R 代表氢原子、卤素原子、可被卤素原子取代的 C1 至 C4 烷基、可被卤素原子取代的 C1 至 C4 烷氧基或硝基,R1 代表氢原子、卤素原子、可被卤素原子取代的 C1 至 C4 烷氧基或硝基、R1 代表氢原子、C1-C4 低级烷基或苯基,R2 代表氢原子、C1-C4 烷基、环烷基、可被取代基取代的苯基或甲磺酰基。