NOVEL PYRIDINE DERIVATIVES AND MEDICINES CONTAINING THE SAME AS ACTIVE INGREDIENT
申请人:SS Pharmaceutical Co., Ltd.
公开号:EP0838457A1
公开(公告)日:1998-04-29
Described is a pyridine derivative represented by the following formula (1):
wherein R1 and R2 individually represent H, an alkyl group, a cycloalkyl group, a hydroxyalkyl group, an alkoxyalkyl group which may have a substituent, a carboxyalkyl group, an alkoxycarbonylalkyl group, an aralkyl group which may have a substituent, a phenacyl group or an acyl group, R3 represents an alkyl group, a phenyl group which may have a substituent, a heteroaryl group or a cyclic amino group, X represents O or combination of OH and H, or a salt thereof; and a medicament, such as cytokine production suppressant, comprising the derivative or salt thereof as an effective ingredient. The invention compound has potential, highly specific and highly safe immunoregulating capacity so that it can suppress the excessive production of a specific cytokine in various diseases related to the immune system.
所述的是由下式(1)代表的吡啶衍生物:
其中 R1 和 R2 分别代表 H、烷基、环烷基、羟基烷基、可能有取代基的烷氧基烷基、羧基烷基、烷氧羰基烷基、可能有取代基的芳基、苯基或酰基,R3 代表烷基、可能有取代基的苯基、杂芳基或环氨基,X 代表 O 或 OH 和 H 的组合或其盐;以及包含该衍生物或其盐作为有效成分的药物,如细胞因子生成抑制剂。本发明化合物具有潜在的、高度特异性和高度安全性的免疫调节能力,因此可以抑制与免疫系统有关的各种疾病中特定细胞因子的过度产生。