申请人:SS Pharmaceutical Co., Ltd.
公开号:US06046218A1
公开(公告)日:2000-04-04
Described is a pyridine derivative represented by the following formula (1): ##STR1## wherein R.sup.1 and R.sup.2 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, R.sup.3 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.
本发明涉及一种由以下式(1)表示的吡啶衍生物:##STR1##其中R.sup.1和R.sup.2分别表示H,烷基,环烷基,羟基烷基,可具有取代基的烷氧基烷基,羧基烷基,烷氧羰基烷基,可具有取代基的芳基烷基,苯乙基或酰基,R.sup.3表示烷基,苯基,可具有取代基的杂环基或环状氨基基,X表示O或OH和H的组合,或其盐;以及作为药物,如细胞因子产生抑制剂,包含该衍生物或其盐作为有效成分。本发明化合物具有潜在的、高度特异性和高度安全的免疫调节能力,因此可以抑制与免疫系统相关的各种疾病中特定细胞因子的过度产生。