Potent and Selective Inhibitors of Platelet-Derived Growth Factor Receptor Phosphorylation. 3. Replacement of Quinazoline Moiety and Improvement of Metabolic Polymorphism of 4-[4-(<i>N</i>-Substituted (thio)carbamoyl)-1-piperazinyl]-6,7-dimethoxyquinazoline Derivatives
作者:Kenji Matsuno、Junko Ushiki、Takashi Seishi、Michio Ichimura、Neill A. Giese、Jin-Chen Yu、Shusuke Takahashi、Shoji Oda、Yuji Nomoto
DOI:10.1021/jm020505v
日期:2003.11.1
10 microM). Regarding replacements of quinazoline by other heterocyclic rings, pyrazolo[3,4-d]pyrimidine (39a, IC(50) = 0.17 microM) and quinoline (IC(50) of 40a is 0.18 microM; IC(50) of 40b is 0.09 microM) derivatives showed potent activity. Isoquinoline and some pyridopyrimidine derivatives were completely inactive; therefore, 1-aza has an important role. Also 7-aza and 8-aza substitution on the
我们以前曾报道过,一系列的4- [4-(N-取代的(硫代)氨基甲酰基)-1-哌嗪基] -6,7-二甲氧基喹唑啉衍生物是有效的和选择性的血小板衍生生长因子受体(PDGFR)磷酸化抑制剂。并证明了多种生物学效应,例如通过口服给药抑制大鼠颈动脉球囊损伤后新内膜的形成。在这里,我们研究了6,7-二甲氧基喹唑啉基部分的结构活性关系。关于6,7-二甲氧基,乙氧基类似物显示出有效的活性(16b的IC(50)为0.04 microM; 17a的IC(50)为0.01 microM),烷基的进一步延伸降低了活性。有趣的是,甲氧基乙氧基(16j的IC(50)为0.02 microM; 17h的IC(50)为0.01 microM)和乙氧基乙氧基(17j的IC(50)为0。02 micro M)类似物显示出最有效的活性,表明插入的氧原子与β-PDGFR显着相互作用。在三环喹唑啉衍生物中,2-氧代咪唑并[4,5-