1,4:3,6-Dianhydrohexitol Nitrate Derivatives. II. Synthesis and Antianginal Activity of Aryl- or Arylcarbonylpiperazine Derivatives.
作者:Hiroaki HAYASHI、Junichi IKEDA、Kazuhiro KUBO、Takahiro MORIYAMA、Akira KARASAWA、Fumio SUZUKI
DOI:10.1248/cpb.41.1100
日期:——
A series of 5-(4-aryl- or 4-arylcarbonylpiperazin-1-yl)-5-deoxy-1,4: 3,6-dianhydro-L-iditol 2-nitrates was prepared in order to obtain orally active, nitrate-type vasodilators with reduced side effects. Our drug design was based on a small reduction in the lipophilicity compared to that of 5-deoxy-5-[4-(3-phenylthiopropyl)piperazin-1-yl]-1,4: 3,6-dianhydro-L-iditol 2-nitrate (1, KF14124). Compounds
为了获得口服活性硝酸盐,制备了一系列5-(4-芳基-或4-芳基羰基哌嗪-1-基)-5-脱氧-1,4:3,6-二脱水-L-iditol 2-硝酸盐。型血管舒张药,减少副作用。我们的药物设计基于与5-脱氧-5- [4-(3-苯硫丙基)哌嗪-1-基] -1,4:3,6-二脱水-L-糖醇相比,亲脂性略有降低2硝酸盐(1,KF14124)。化合物4h(芳基=苯并咪唑-2-基),4i(芳基羰基=烟酰基)和4w(芳基羰基= 3-呋喃基)在赖氨酸-加压素诱导的心绞痛心绞痛模型(大鼠)中显示出强效的抗缺血活性讨论了构效关系。与硝酸异山梨酯(2)相比,化合物4i在麻醉的狗中显示出强效的冠状动脉舒张血管扩张作用,在心力衰竭模型(狗)中也显示出有效的预负荷降低,尼可地尔(3)和KF14124(1)。此外,在小鼠中,4i显示出比1i弱得多的急性致死毒性和更少的中枢神经系统抑制作用。因此,正在开发4i(KW-3196)作为血管扩张剂和治疗心绞痛的药物。