Design, synthesis and crystallographic study of novel indole-based cyano derivatives as key building blocks for heteropolycyclic compounds of major complexity
作者:Andrés C. García、Rodrigo Abonía、Luz M. Jaramillo-Gómez、Justo Cobo、Christopher Glidewell
DOI:10.1107/s2053229617015789
日期:2017.12.1
characterized by IR and 1H and 13C NMR spectroscopy, by mass spectrometry and by elemental analysis. The molecular and supramolecular structures are reported for representative examples, namely (E)‐3‐(2‐bromophenyl)‐2‐(1‐methyl‐1H‐indole‐3‐carbonyl)acrylonitrile, C19H13BrN2O, (Ib), (2RS)‐2‐(2‐bromobenzyl)‐3‐(1‐methyl‐1H‐indol‐3‐yl)‐3‐oxopropanenitrile, C19H15BrN2O, (IIb), and (2RS)‐3‐(1‐benzyl‐1H‐indol‐3‐yl)‐
设计并开发了一个四阶段反应序列,用于合成高度功能化的烯醇酸酯,这是合成具有潜在药物价值的新型杂多环化合物的关键组成部分。该序列以简单的市售吲哚开始,然后通过3-(吲哚-3-基)-3-氧代丙烷腈与2-溴苯甲醛反应形成相应的查耳酮而开始。它们很容易还原为二氢查耳酮,然后将其酰化形成烯酸酯。该序列中的化合物已经通过IR,1 H和13 C NMR光谱,质谱和元素分析进行了表征。报告了代表性实例的分子和超分子结构,即(E)-3-(2-溴苯基)-2-(1-甲基-1 H-吲哚-3-羰基)丙烯腈,C 19 H 13 BrN 2 O,(I b),(2 RS)-2-( 2-溴苄基)-3-(1-甲基-1 H-吲哚-3-基)-3-氧代丙烷腈,C 19 H 15 BrN 2 O,(II b)和(2 RS)-3-(1-苄基-1 H-吲哚-3-基)-2-(2-溴苄基)-3-氧代丙烷腈,C 25 H 19 BrN 2 O,(II