申请人:Santen Pharmaceutical Co., Ltd
公开号:EP2133339A1
公开(公告)日:2009-12-16
Objects of the present invention are to study the synthesis of a novel pyridinecarboxylic acid (2-aminophenyl)amide derivative having a novel urea structure and to find a pharmacological effect of the derivative. The invention provides a compound represented by the formula (1) or a salt thereof. In the formula, R1 and R2 represent a hydrogen atom, a lower alkyl group or the like; R3 represents a hydroxy group, a lower alkoxy group, a lower cycloalkyloxy group, an aryloxy group, a carboxy group, a lower alkoxycarbonyl group, -OCONRaRb, -NRcRd or the like; R4 and R5 represent a halogen atom, a lower alkyl group, a hydroxy group, a lower alkoxy group or the like; Ra and Rb represent a hydrogen atom, a lower alkyl group, a lower cycloalkyl group, an aryl group, a heterocyclic group or the like; Rc and Rd represent a hydrogen atom, a lower alkyl group, a lower cycloalkyl group, an aryl group or the like; X represents a lower alkylene group; Y represents a single bond, a lower alkylene group; W1-W2 represents N-C or C-N; and l and m represent 0, 1, 2 or 3.
本发明的目的是研究具有新型脲结构的新型吡啶羧酸(2-氨基苯基)酰胺衍生物的合成,并寻找该衍生物的药理作用。本发明提供了一种由式(1)代表的化合物或其盐。式中,R1 和 R2 代表氢原子、低级烷基或类似物;R3 代表羟基、低级烷氧基、低级环烷氧基、芳氧基、羧基、低级烷氧基羰基、-OCONRaRb、-NRcRd 或类似物;R4 和 R5 代表卤素原子、低级烷基、羟基、低级烷氧基或类似物;Ra 和 Rb 代表氢原子、低级烷基、低级环烷基、芳基、杂环基等;Rc 和 Rd 代表氢原子、低级烷基、低级环烷基、芳基等;X 代表低级亚烷基;Y 代表单键、低级亚烷基;W1-W2 代表 N-C 或 C-N;l 和 m 代表 0、1、2 或 3。