申请人:Nikken Chemicals Company, Limited
公开号:EP0949259A1
公开(公告)日:1999-10-13
An N-hydroxyurea derivative having an antiallergic action or anti-inflammatory action having the formula (I):
wherein, either one of R1, R3, and R4 represents A, either one of the other groups of R1, R3, and R4 and R2 represents a 3-pyridyl group or 3-pyridylalkyl group, the remaining groups of R1, R2, R3, and R4 independently represent a hydrogen atom, halogen atom, or a substituted or unsubstituted C1 to C8 alkyl group, R5 represents a hydrogen atom or lower alkyl group, R6 represents a hydrogen atom, lower alkyl group, C3 to C7 cycloalkyl group, or a substituted or unsubstituted phenyl group, where the substituent represents a halogen atom, lower alkyl group, or lower alkoxy group, B represents a bond, C1 to C20 alkylene group, C2 to C8 alkenylene group, or C2 to C8 alkynylene group or B-C(R5) represents a C2 to C6 alkylene group having a benzene ring in the middle thereof or its pharmacologically acceptable salt or the hydrate or solvate thereof.
一种具有抗过敏作用或抗炎作用的 N-羟基脲衍生物,具有式(I):
其中,R1、R3 和 R4 中的任一基团代表 A,R1、R3 和 R4 的其它基团和 R2 中的任一基团代表 3-吡啶基或 3-吡啶烷基,R1、R2、R3 和 R4 的其余基团独立地代表氢原子、卤素原子或取代或未取代的 C1 至 C8 烷基,R5 代表氢原子或低级烷基,R6 代表氢原子、低级烷基、C3 至 C7 环烷基或取代或未取代的苯基、B 代表键、C1 至 C20 亚烷基、C2 至 C8 烯基或 C2 至 C8 亚炔基,或 B-C(R5)代表中间有苯环的 C2 至 C6 亚烷基或其药理学上可接受的盐或其水合物或溶液。