Synthesis of indolo[2,1‐<i>a</i>]isoquinolines by<scp>CF<sub>3</sub>COOH</scp>‐induced cyclization
作者:Yasuhiro Wada、Nobuhito Kurono、Hisanori Senboku、Kazuhiko Orito
DOI:10.1002/jhet.4078
日期:2020.10
Indolo[2,1‐a]isoquinoline alkaloids and related compounds have been known to have interesting biological activities, such as antileukemic and antitumor activities. We found that 1‐(3,4‐dimethoxyphenethyl)indole gave 2,3‐dimethoxyindolo[2,1‐a]isoquinoline and 1‐(3,4‐dimethoxyphenylacetyl)indole gave 2,3‐dimethoxy‐6‐oxoindolo[2,1‐a]isoquinoline, respectively, by an intramolecular cyclization carried
已知吲哚[2,1– a ]异喹啉生物碱和相关化合物具有令人感兴趣的生物学活性,例如抗白血病和抗肿瘤活性。我们发现1-(3,4-二甲氧基苯乙基)吲哚产生了2,3-二甲氧基吲哚[2,1- α ]异喹啉,而1-(3,4-二甲氧基苯基乙酰基)吲哚产生了2,3-二甲氧基-6-氧吲哚[2 ,1-一个]异喹啉,分别由在沸腾的三氟乙酸中进行分子内环化。