A New One-Pot Synthesis of Polysubstituted Indoles from Pyrroles and β-Nitroacrylates
作者:Alessandro Palmieri、Serena Gabrielli、Daniela Lanari、Luigi Vaccaro、Roberto Ballini
DOI:10.1002/adsc.201000965
日期:2011.6
The reaction of β‐nitroacrylates with pyrroles, under solvent‐ and catalyst‐free conditions, allows the formation of Friedel–Crafts adducts which, after in situ treatment with Amberlyst 15 in isopropyl alcohol under reflux, provide polysubstituted indoles, via a benzannulation reaction, in a one‐pot process.
在无溶剂和无催化剂的条件下,β-硝基丙烯酸酯与吡咯的反应可形成弗瑞德-克拉夫特加合物,在异丙醇中在回流下用Amberlyst 15原位处理后,可通过苯环化反应提供多取代的吲哚,在一个锅的过程中。