申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP0758653A1
公开(公告)日:1997-02-19
Imidazoquinazoline derivatives represented by general formula (I) or pharmacologically acceptable salts thereof, wherein R1 represents hydrogen, optionally substituted lower alkyl, etc.; R2 and R3 are the same or different and each represents hydrogen, optionally substituted lower alkyl, optionally substituted aralkyl, optionally substituted aryl, etc., or R2 and R3 together form an optionally substituted nitrogenous heterocycle; R4 represents hydrogen or optionally substituted lower alkyl; X represents O or S; Y represents a single bond or O; and n is 0, 1, 2 or 3.
由通式(I)代表的咪唑喹唑啉衍生物或其药理上可接受的盐,其中R1代表氢、任选取代的低级烷基等;R2和R3相同或不同,各自代表氢、任选取代的低级烷基、任选取代的芳烷基、任选取代的芳基等,或R2和R3一起形成任选取代的含氮杂环;R4代表氢或任选取代的低级烷基;X代表O或S;Y代表单键或O;n为0、1、2或3。