Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agents
申请人:Ohtsuka Yasuo
公开号:US20060074074A1
公开(公告)日:2006-04-06
Tricyclic triazolobenzazepine derivatives in the form or a prodrug are provided. The compounds according to the present invention are those represented by formula (I) and pharmacologically acceptable salts and solvates thereon. The compounds are useful as antiallergic agents and exhibit excellent bioavailability.
wherein
R
1
represents hydrogen, OH, alkyl or phenyl alkyl,
R
2
, R
3
, R
4
, and R
5
represent hydrogen, halogen, optionally protected hydroxyl, formyl, optionally substituted alkyl, alkenyl, alkoxy or the like, and
Q represents a group selected from the following groups (i) to (iv), halogen, or alkoxy:
本发明提供了三环三唑苯并氮杂蒽衍生物的前药形式。根据本发明,所述化合物为公式(I)所表示的化合物及其药理学上可接受的盐和溶剂化物。该化合物可用作抗过敏药物,且具有优异的生物利用度。其中R1代表氢、OH、烷基或苯基烷基,R2、R3、R4和R5代表氢、卤素、可选保护的羟基、甲酰基、可选取代的烷基、烯基、烷氧基或类似基团,Q代表以下基团(i)至(iv)、卤素或烷氧基中的一种。