申请人:Pfizer Limited
公开号:EP0205280A2
公开(公告)日:1986-12-17
1,2,3,5-Tetrahydroimidazo[2,1-b]quinazotin-2-(1H)-one cardiac stimulants, and their pharmaceutically acceptable salts, of the formula:-
or a pharmaceutically acceptable salt thereof, wherein
"Het" is an optionally substituted 5- or 6-membered aromatic heterocyclic group attached to the 6-, 7-, 8-, or 9-position of said
1,2,3,5-tetrahydroimidazo[2,1-b]quinazolin-2-(1H)-one;
R, which is attached to the 6-, 7-, 8-, or 9-position, is hydrogen, C1-C4 alkyl, C,-C4 alkoxy, hydroxy, hydroxymethyl, halo or CF3; and
R1, R2, R3, R4 and R5 are each H or C1-C4 alkyl.
1,2,3,5-四氢咪唑并[2,1-b]喹唑啉-2-(1H)-酮强心剂及其药学上可接受的盐,其式如下: - 或其药学上可接受的盐,其中
"Het "是连接在所述 1,2,3,5-四氢咪唑并[2,1-b]喹唑啉-2-(1H)-酮的 6-、7-、8-或 9-位上的任选取代的 5-或 6-元芳香杂环基团;
连接到 6-、7-、8-或 9-位的 R 是氢、C1-C4 烷基、C,-C4 烷氧基、羟基、羟甲基、卤素或 CF3;以及 R1、R2、R3、R4 和 R5 各自是 H 或 C1-C4 烷基。