开发了一种简单的一锅法,以合理的产率合成吡咯并[1,2- x ] [1,4]二氮杂ze酮。该方法基于容易获得的N- Boc氨基酸与生物质衍生的含氨基烷基的呋喃的缩合,然后进行脱保护,呋喃开环和Paal-Knorr环化。使用这种方法,我们从糠胺和β-氨基酸和吡咯并[1,2- d ] [1,4]二氮杂合成了吡咯并[1,2- a ] [1,4]二氮杂-3(2 H)-来自2-(2-呋喃基)乙胺和α-氨基酸的-4(5 H)-1。研究了合成的吡咯并二氮杂酮的细胞毒性。
Friedel–Crafts reaction of electron-rich (het)arenes with nitroalkenes
作者:Mikhail N. Feofanov、Alexei D. Averin、Irina P. Beletskaya
DOI:10.1016/j.mencom.2019.03.005
日期:2019.3
The Friedel Crafts reaction between electron-rich (het)arenes and beta-nitrostyrenes under MgI2 or Ca(NTf2)(2) catalysis affords 1-(het)aryl-2-nitro-1-phenylethanes in yields up to 94%.
Lithium perchlorate accelerated Friedel–Crafts addition of furans to β-nitrostyrenes
作者:Martin J. Stoermer、Hans-Matthias Richter、Dieter E. Kaufmann
DOI:10.1016/j.tetlet.2013.10.018
日期:2013.12
The Friedel-Crafts alkylation of furans by the Michael acceptor, beta-nitrostyrene, is greatly accelerated by the use of the Lewis acid catalyst and solvent, 5 M lithium perchlorate in diethyl ether (LDPE). Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.