申请人:Pfizer Inc.
公开号:US04710507A1
公开(公告)日:1987-12-01
A heterocyclic-substituted 2-quinolone compound of the formula: ##STR1## or a pharmaceutically-acceptable salt thereof, wherein "Het" is an optionally substituted 5-or 6-membered monocyclid aromatic heterocyclic group attached by a carbon atom to the 5-, 6-, 7- or 8- position of the quinolone nucleus; R, which is attached to the 5-, 6-, 7- or 8- position, is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulphinyl, C.sub.1 -C.sub.4 alkylsulphonyl, halo, CF.sub.3, hydroxy, hydroxymethyl, or cyano; R.sup.1 is hydrogen, cyano (C.sub.1 -C.sub.4 alkoxy)carbonyl, C.sub.1 -C.sub.4 alkyl, nitro, halo, --NR.sup.3 R.sup.4 or --CONR.sup.3 R.sup.4 where each of R.sup.3 and R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl or R.sup.3 and R.sup.4 together with the nitrogen atom to which they are attached form a saturated 5- or 6-membered heterocyclic group optionally containing a further heteroatom or group selected from O, S and N--R.sup.5 where R.sup.5 is hydrogen or C.sub. 1 -C.sub.4 alkyl; R.sup.2 is hydrogen, C.sub.1 -C.sub.4 alkyl, or 2-hydroxyethyl; Y is hydrogen or C.sub.1 -C.sub.4 alkyl; and the dotted line between the 3- and 4- positions represents an optional bond. The compounds are inotropic agents useful as cardiac stimulants in the treatment of congestive heart failure.
一种杂环取代的2-喹啉酮化合物,其化学式为:##STR1## 或其药学上可接受的盐,其中"Het"是一个选择性取代的5-或6-成员单环芳香杂环基,通过碳原子连接到喹啉核的5-、6-、7-或8-位置;连接到5-、6-、7-或8-位置的R是氢,C.sub.1 -C.sub.4烷基,C.sub.1 -C.sub.4烷氧基,C.sub.1 -C.sub.4烷硫基,C.sub.1 -C.sub.4烷基亚砜基,C.sub.1 -C.sub.4烷基砜基,卤素,CF.sub.3,羟基,羟甲基,或氰基;R.sup.1是氢,氰基(C.sub.1 -C.sub.4烷氧基)羰基,C.sub.1 -C.sub.4烷基,硝基,卤素,--NR.sup.3 R.sup.4或--CONR.sup.3 R.sup.4,其中R.sup.3和R.sup.4中的每一个是氢或C.sub.1 -C.sub.4烷基,或R.sup.3和R.sup.4与它们连接的氮原子一起形成饱和的5-或6-成员杂环基,可选地含有进一步来自O、S和N--R.sup.5的杂原子或基团,其中R.sup.5是氢或C.sub.1 -C.sub.4烷基;R.sup.2是氢,C.sub.1 -C.sub.4烷基,或2-羟乙基;Y是氢或C.sub.1 -C.sub.4烷基;3-和4-位置之间的虚线表示可选键。这些化合物是正性肌力药物,可用作治疗充血性心力衰竭的心脏刺激剂。