NOVEL CYCLIC AMINOPHENYLACETIC ACID DERIVATIVE, PRODUCTION THEREOF, AND IMMUNE RESPONSE MODULATOR CONTAINING THE SAME AS ACTIVE INGREDIENT
申请人:KYORIN PHARMACEUTICAL CO., LTD.
公开号:EP0538477A1
公开(公告)日:1993-04-28
A novel cyclic aminophenylacetic acid derivative which has an immune response modulatory activity, represented by general formula (1), an optical isomer thereof and salts thereof, a process for producing the same, and a remedy for autoimmune diseases containing the same as an active ingredient. In Formula (1), R and R¹ represent each independently hydrogen or C₁ to C₃ lower alkyl; R² represents trifluoromethyl or phenyl which may be substituted by one to three groups selected among halogen, methoxy and combinations thereof; and X represents hydrogen, C₁ to C₃ lower alkyl, C₁ to C₃ lower alkoxy, cyano, thiocyano, trimethylsilylethynyl, phenyl which may be substituted by one to three groups selected among halogen, methoxy, methyl and combinations thereof, carbamoyl, carboxyl, C₁ to C₃ lower alkoxycarbonyl, acetyl, benzoyl, nitro, amino, C₁ to C₃ lower alkanoylamino, benzoylamino which may be substituted, phenylsulfonylamino which may be substituted, C₁ to C₃ lower alkylthio, C₁ to C₃ lower alkylsulfinyl, C₁ to C₃ lower alkylsulfonyl or halogen.
一种具有免疫反应调节活性的新型环氨基苯乙酸衍生物(通式(1)表示)、其光学异构体及其盐类、生产该衍生物的工艺以及含有该衍生物作为活性成分的治疗自身免疫性疾病的药物。在式 (1) 中,R 和 R¹ 各自独立地代表氢或 C₁ 至 C₃ 低级烷基;R² 代表三氟甲基或苯基,可被一至三个选自卤素、甲氧基及其组合的基团取代;X 代表氢、C₁~C₃低级烷基、C₁~C₃低级烷氧基、氰基、硫代氰基、三甲基硅乙炔基、可被一至三个选自卤素、甲氧基、甲基及其组合的基团取代的苯基、氨基甲酰基、羧基、C₁至 C₃低级烷氧羰基、乙酰基、苯甲酰基、硝基、氨基、C₁至 C₃低级烷酰胺基、可被取代的苯甲酰胺基、C₁至 C₃低级烷硫基、C₁至 C₃低级烷基亚磺酰基、C₁至 C₃低级烷基磺酰基或卤素。