申请人:Janssen Pharmaceutica N.V.
公开号:US05482943A1
公开(公告)日:1996-01-09
Novel 2,9-disubstituted-4H-pyrido[1,2-a]pyrimidin-4-ones having the formula ##STR1## the pharmaceutically acceptable acid addition salts thereof, and the stereochemically isomeric forms thereof, wherein Alk represents C.sub.1-4 alkanediyl, D is a bicyclic heterocycle of formula ##STR2## wherein R.sup.1 represents C.sub.1-4 alkyl, hydroxyC.sub.1-4 alkyl, carboxaldehyde, carboxyl, C.sub.1-10 alkylcarbonyloxyC.sub.1-4 alkyl; each R.sup.2 represents hydrogen or C.sub.1-4 alkyl; R.sup.3 represents C.sub.1-4 alkyl, hydroxyC.sub.1-4 alkyl or methyl substituted with phenyl, 5-methyl-2-furanyl or 3-pyridinyl; and R.sup.4 represents C.sub.1-3 alkyl, phenyl, 5-methyl-2-furanyl or 3-pyridinyl.
具有以下式子的Novel 2,9-二取代-4H-吡啶[1,2-a]嘧啶-4-酮化合物,以及其药学上可接受的酸加成盐和立体化学异构体,其中Alk代表C.sub.1-4烷二基,D是具有以下式子的双环杂环:##STR2##其中R.sup.1代表C.sub.1-4烷基,羟基C.sub.1-4烷基,羧醛,羧基,C.sub.1-10烷基羧酰氧基C.sub.1-4烷基; 每个R.sup.2代表氢或C.sub.1-4烷基; R.sup.3代表C.sub.1-4烷基,羟基C.sub.1-4烷基或被苯基,5-甲基-2-呋喃基或3-吡啶基取代的甲基; R.sup.4代表C.sub.1-3烷基,苯基,5-甲基-2-呋喃基或3-吡啶基。