Benzotriazolium Salts: Emergent Readily Accessible Bench-Stable Lewis Acid Catalysts
作者:Tobias Danelzik、Sumi Joseph、Christian Mück-Lichtenfeld、Constantin G. Daniliuc、Olga García Mancheño
DOI:10.1021/acs.orglett.2c01697
日期:2022.8.26
benzotriazolium salts have been introduced as efficient, readily accessible, bench-stable Lewis acid catalysts. Though these sorts of N-heterocyclic compounds have found wide applications as ionic liquids or electrolytes, their Lewis acid catalytic activity remained unexplored. Herein, their potential as Lewis acid catalysts was demonstrated in two prototypical allylic and Nazarov cyclization reactions, showing
在这项工作中,苯并三唑鎓盐已被引入作为高效、易于获得、台式稳定的路易斯酸催化剂。尽管这些类型的 N-杂环化合物已作为离子液体或电解质得到广泛应用,但它们的路易斯酸催化活性仍未得到探索。在此,它们作为路易斯酸催化剂的潜力在两个原型烯丙基环化反应和 Nazarov 环化反应中得到证实,显示出匹配的反应性并允许低催化负载(低至 0.5 mol%)。