Tricyclic triazolobenzazepine derivatives in the form of a prodrug are provided. The compounds according to the present invention are those represented by formula (I) and pharmacologically acceptable salts and solvates thereof. The compounds are useful as antiallergic agents and exhibit excellent bioavailability.
1
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:
2
                            本发明提供了以前药的
三环三唑苯并
戊二烯衍
生物。根据本发明的化合物是由公式(I)表示的,并且是药理学上可接受的盐和溶剂化物。这些化合物可用作抗过敏剂,并表现出优异的
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,烷氧基或类似物,而Q代表从以下组(i)到(iv)中选择的一组,卤素或烷氧基。