申请人:Leo Pharmaceutical Products Ltd.A/S/ (Løvens kemiske Fabrik Produktionsaktieselskab)
公开号:US06313174B1
公开(公告)日:2001-11-06
The compounds of the present invention are represented by general formula (I) in which formula R1 and R2 stand independently for one or more, similar or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, alkyl, alkoxy, alkylthio, alkylamino, or alkoxycarbonyl, the C-content of which can be from 1 to 5, cyano, carboxy, carbamoyl, phenyl, or nitro; R3 stands for hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, alkyl, alkoxy, alkylthio, alkylamino, or alkoxycarbonyl, the C-content of which can be from 1 to 5, phenyl, cyano, carboxy, or carbamoyl; R4, R5 and R6 stand independently for hydrogen, trifluoromethyl, alkyl, carbamoyl, alkoxycarbonyl, or alkyloxo, the C-content of which can be from 1 to 5; X stands for oxygen, N—OH, N—O-alkyl, dialkoxy, cyclic dialkoxy, dialkylthio, or cyclic dialkylthio, the C-content of which can be from 1 to 5. The present compounds are of value in the human and veterinary practice as systemic and topical therapeutic agents for the treatment and prophylaxis of asthma, allergy, rheumatoid arthritis, spondyloarthritis, gout, atherosclerosis, chronic inflammatory bowel disease, proliferative and inflammatory skin disorders, such as psoriasis, and atopic dermatitis.
本发明的化合物由一般式(I)表示,其中式中R1和R2分别代表氢、卤素、羟基、巯基、三氟甲基、氨基、烷基、烷氧基、烷硫基、烷基氨基或烷氧羰基等一种或多种相似或不同的取代基,其碳含量可为1至5,还可以是氰基、羧基、氨基甲酰基、苯基或硝基;R3代表氢、卤素、羟基、巯基、三氟甲基、氨基、烷基、烷氧基、烷硫基、烷基氨基或烷氧羰基等一种或多种,其碳含量可为1至5,还可以是苯基、氰基、羧基或氨基甲酰基;R4、R5和R6分别代表氢、三氟甲基、烷基、氨基甲酰基、烷氧羰基或烷氧基,其碳含量可为1至5;X代表氧、N—OH、N—O-烷基、二烷氧基、环二烷氧基、二烷硫基或环二烷硫基等,其碳含量可为1至5。这些化合物在人类和兽医实践中具有重要价值,可作为系统和局部治疗剂,用于哮喘、过敏、类风湿关节炎、脊柱关节炎、痛风、动脉粥样硬化、慢性炎性肠病、增生性和炎症性皮肤疾病(如银屑病)以及特应性皮炎的治疗和预防。