作者:Thees, Katharina、Untergehrer, Martin、Jourjine, Ilya A. P.、Bracher, Franz
DOI:10.1002/ejoc.202400124
日期:——
Convenient methods are reported for the synthesis of 1,4-disubstituted and 1-substituted β-carbolines from 3-substituted 2-acylindoles, which are accessible through two one-pot multistep reactions via oxomethylated benzenesulfonamide intermediates. The acylindoles are subsequently subjected to aminomethylenation with formamide derivatives or chemoselective reduction, followed by ring closure with ammonium
据报道,从3-取代的2-酰吲哚合成1,4-二取代和1-取代的β-咔啉的简便方法,可以通过氧代甲基化苯磺酰胺中间体通过两个一锅多步反应来实现。随后用甲酰胺衍生物对酰吲哚进行氨甲基化或化学选择性还原,然后用铵盐进行闭环。