Synthesis of 2,3-disubstituted indoles from alkynylanilines and 2-chlorophenols using palladium–dihydroxyterphenylphosphine catalyst
作者:Miyuki Yamaguchi、Kota Ogihara、Hideyuki Konishi、Kei Manabe
DOI:10.1016/j.tetlet.2020.151896
日期:2020.5
2,3-Disubstituted indoles bearing 2-hydroxyphenyl moieties at their C3 positions were synthesized from readily available 2-chlorophenols and alkynylanilines via aminopalladation/reductive elimination using Pd–dihydroxyterphenylphosphine catalyst. The catalyst accelerates the introduction of the 2-hydroxyphenyl group at the C3 position of the indole.
通过使用Pd-二羟基叔苯基膦催化剂进行氨基钯/还原消除反应,由易于获得的2-氯酚和炔基苯胺合成2,3-二取代的吲哚,其C3位带有2-羟基苯基部分。催化剂促进在吲哚的C 3位上2-羟基苯基的引入。