4-N-ARYL(BENZYL)AMINO-4-HETARYL-1-BUTENES AS BUILDING BLOCKS IN HETEROCYCLIC SYNTHESIS. 1. NEW ROUTE TO 4,6-DIMETHYL-2-PYRIDYLQUINOLINES FROM THE 4-N-p-METHYLPHENYLAMINO-4-PYRIDYL-1-BUTENES
作者:Leonor Y. Vargas Mēndez、Vladimir Kouznetsov、Elena Stashenko、Alí Bahsas、Juan Amaro-Luis
DOI:10.1515/hc.2001.7.4.323
日期:2001.1
obtain new C-2 pyridyl substituted 4,6-dimethyl-l,2,3,4-tetrahydroquinoiines 7-9, which were oxidised then to their aromatic analogues 10-12 in good yields. Introduction The synthesis of quinolines and their hydrogenated derivatives have been of considerable interest to heterocyclic and medicinal chemists for many years as medicines and as the basic unit of series of natural alkaloids. Substituted 4-methyIquinolines
4-Np-甲基苯基氨基-4-吡啶基-1-丁烯4-6的介导酸分子内环化用于获得新的C-2吡啶基取代的4,6-二甲基-1,2,3,4-四氢喹啉7-9 ,然后以良好的产率氧化成它们的芳香类似物 10-12。引言 喹啉及其氢化衍生物的合成多年来作为药物和天然生物碱系列的基本单元引起了杂环和药物化学家的极大兴趣。取代的 4-methyIquinolines 是用于复杂天然 N-杂环环构建的有用起始产品。此外,8-(二乙基氨基己基氨基)-6-甲氧基-4-甲基喹啉对原生动物寄生虫克鲁兹锥虫非常有效,它是南美锥虫病的病原体。几种抗肿瘤抗生素基于 2-(α-吡啶基)喹啉-醌三环分子。鉴于上述事实,我们开发了一种简单通用的制备 C-2 吡啶基取代的 4,6-二甲基(四氢)喹啉的方法。作为我们目前对从简单助剂和酮亚胺中获得的高烯丙胺合成潜力的研究的一部分,我们在此描述了一种从相应的化合物开始的 4,6-二甲基-2-[a-(ßor