申请人:Eisai Co., Ltd.
公开号:EP0857721A1
公开(公告)日:1998-08-12
Novel acridone compounds represented by the general formula (I) or pharmaceutically acceptable salts thereof efficacious in the prevention and treatment of diseases in which chemical transmitters such as histamine and leukotriene participate, typified by asthma, allergic rhinitis, atopic dermatitis, urticaria, hay fever, digestive tract allergy and food allergy:
wherein R1, R2, R3, R4, R5 and R6 are the same or different and each represents hydrogen, hydroxy, halogeno, lower alkyl, cycloalkyl, lower alkoxy, etc.; Y represents -(CH2)t-(B)m-(CH2)n-Z wherein m is 0 or 1; t and n represent each an integer of 0 to 6; B represents lower alkylene, optionally substituted arylene, etc.; and Z represents cyano, optionally protected carboxy, acyl, -NR7R8 [wherein R7 and R8 are the same or different and each represents hydrogen, lower alkyl, lower alkoxy, hydroxyalkyl, etc.]}; and D represents oxygen or sulfur.
通式(I)代表的新型吖啶酮化合物或其药学上可接受的盐,可有效预防和治疗化学传导物质如组胺和白三烯参与的疾病,如哮喘、过敏性鼻炎、特应性皮炎、荨麻疹、花粉症、消化道过敏和食物过敏:
其中 R1、R2、R3、R4、R5 和 R6 相同或不同,各自代表氢、羟基、卤素、低级烷基、环烷基、低级烷氧基等;Y 代表-(CH2)t-(B)m-(CH2)n-Z 其中 m 为 0 或 1;t 和 n 分别代表 0 至 6 的整数;B 代表低级亚烷基、任选取代的芳基等;Z 代表氰基、任选取代的芳基等。Z代表氰基、任选保护的羧基、酰基、-NR7R8[其中R7和R8相同或不同,各自代表氢、低级烷基、低级烷氧基、羟基烷基等]};D代表氧或硫。