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    • 7. 发明公开
    • IMIDAZOQUINAZOLINE DERIVATIVES
    • IMIDAZOCHINAZOLINE
    • EP0863144A4
    • 2001-04-11
    • EP97937841
    • 1997-08-29
    • KYOWA HAKKO KOGYO KK
    • ONODA YASUONOMOTO YUJIOHNO TETSUJIYAMADA KOJIICHIMURA MICHIO
    • C07D487/04A61K31/505
    • C07D487/04
    • Imidazoquinazoline derivatives represented by general formula (I) or pharmacologically acceptable salts thereof, which have potent and selective inhibitory effects on cyclic guanosine-3',5'-monophosphate (cGMP)-specific phosphodiesterase and are useful in, for example, treating or relieving cardiovascular diseases such as thrombosis, angina pectoris, hypertension, cardiac insufficiency and arteriosclerosis, asthma, etc. and treating sexual impotence. In said formula, R1 represents hydrogen, optionally substituted lower alkyl, optionally substituted cycloalkyl, optionally substituted bicycloalkyl, optionally substituted tricycloalkyl, etc.; R2 represents hydrogen, optionally substituted lower alkyl, optionally substituted cycloalkyl, optionally substituted bicyclaolkyl, optionally substituted tricycloalkyl, optionally substituted lower alkenyl, optionally substituted aralkyl, etc.; R3 represents hydrogen, optionally substituted lower alkyl, optionally substituted cycloalkyl, optionally substituted bicycloalkyl, optionally substituted tricycloalkyl, optionally substituted lower alkenyl, optionally substituted aralkyl, etc., or R?2 and R3¿ may form together with N an optionally substituted heterocyclic group; and X represents O or S.
    • 由通式(I)表示的咪唑并喹唑啉衍生物或其药理学上可接受的盐,其对环鸟苷-3',5'-单磷酸(cGMP)特异性磷酸二酯酶具有有效和选择性的抑制作用,并且可用于例如治疗或缓解 心血管疾病如血栓形成,心绞痛,高血压,心功能不全和动脉硬化,哮喘等,并治疗性无能。 在所述式中,R 1表示氢,任选取代的低级烷基,任选取代的环烷基,任选取代的二环烷基,任选取代的三环烷基等; R2代表氢,任选取代的低级烷基,任选取代的环烷基,任选取代的二环烷基,任选取代的三环烷基,任选取代的低级烯基,任选取代的芳烷基等; R 3代表氢,任选取代的低级烷基,任选取代的环烷基,任选取代的双环烷基,任选取代的三环烷基,任选取代的低级烯基,任选取代的芳烷基等,或者R 2和R 3可与N一起形成任选取代的杂环基 ; X代表O或S.