申请人:Takeda Chemical Industries, Ltd.
公开号:US06214838B1
公开(公告)日:2001-04-10
A compound of the formula (I):
wherein R is hydrogen or C2-6 alkanoyl; X is halogen; and ring A is benzene ring which is optionally substituted by 1 to 4 substituents selected from circle around (1)} halogen, circle around (2)} hydroxy, circle around (3)} C1-6 alkoxy optionally substituted by halogen or phenyl, circle around (4)} C1-6 alkylthio optionally substituted by halogen or phenyl, circle around (5)} C1-6 alkyl optionally substituted by halogen, circle around (6)} C2-6 alkanoylamino or circle around (7)} carboxy optionally esterified by C1-6 alkyl, or a salt thereof; which can be used for preventing or treating inflammatory disease, arthritis, chronic rheumatoid arthritis, autoimmune diseases, or rejection after organ transplantation.
化合物的式子(I):其中R为氢或C2-6烷酰基;X为卤素;环A为苯环,可选地被1至4个取代基所取代,所述取代基选自圆圈1}卤素,圆圈2}羟基,圆圈3}C1-6烷氧基,所述C1-6烷氧基可选地被卤素或苯基取代,圆圈4}C1-6烷基硫醚,所述C1-6烷基硫醚可选地被卤素或苯基取代,圆圈5}C1-6烷基,所述C1-6烷基可选地被卤素取代,圆圈6}C2-6烷酰胺基或圆圈7}羧基,所述羧基可选地被C1-6烷基酯化,或其盐;可用于预防或治疗炎性疾病、关节炎、慢性类风湿性关节炎、自身免疫性疾病或器官移植后的排斥反应。