Alkynylation of Aldehydes and Ketones Using the Bu<sub>4</sub>NOH/H<sub>2</sub>O/DMSO Catalytic Composition: A Wide-Scope Methodology
作者:Elena Yu. Schmidt、Natalia A. Cherimichkina、Ivan A. Bidusenko、Nadezhda I. Protzuk、Boris A. Trofimov
DOI:10.1002/ejoc.201402275
日期:2014.7
Favorsky reaction of a wide range of aldehydes and ketones with alkynes has been implemented under mild conditions (5–20 °C). Using a Bu4NOH/H2O/DMSO catalytic system, propargylic alcohols are formed cleanly in 39–93 % (mostly 72–93 %) yields and with ca. 100 % selectivity. The method is suitable for aliphatic, aromatic, and heteroaromatic aldehydes and ketones, and for aliphatic, aromatic, and functionalized
广泛的醛和酮与炔烃的 Favorsky 反应已在温和条件 (5–20 °C) 下实施。使用 Bu4NOH/H2O/DMSO 催化系统,炔丙醇以 39-93%(主要为 72-93%)的产率干净地形成,大约为 100% 选择性。该方法适用于脂肪族、芳香族和杂芳香族醛和酮,以及脂肪族、芳香族和官能化乙炔。因此,这代表了实现 Favorsky 反应的最通用和最有效的协议。