申请人:Santen Pharmaceutical Co., Ltd.
公开号:US08012972B2
公开(公告)日:2011-09-06
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合成一种具有新型脲结构的吡啶羧酸(2-氨基苯基)酰胺衍生物,并找到该衍生物的药理作用。该发明提供了由式(1)或其盐所表示的化合物。在该式中,R1和R2表示氢原子、低碳基或类似物;R3表示羟基、低烷氧基、低环烷氧基、芳氧基、羧基、低烷氧羰基、-OCONRaRb、-NRcRd或类似物;R4和R5表示卤素原子、低碳基、羟基、低烷氧基或类似物;Ra和Rb表示氢原子、低碳基、低环烷基、芳基、杂环基或类似物;Rc和Rd表示氢原子、低碳基、低环烷基、芳基或类似物;X表示低碳代基;Y表示单键、低碳代基;W1-W2表示N-C或C-N;l和m表示0、1、2或3。