One-Step Synthesis of Methanesulfonyloxymethyl Ketones<i>via</i>Gold-Catalyzed Oxidation of Terminal Alkynes: A Combination of Ligand and Counter Anion Enables High Efficiency and a One-Pot Synthesis of 2,4-Disubstituted Thiazoles
作者:Gongde Wu、Renhua Zheng、Jonathan Nelson、Liming Zhang
DOI:10.1002/adsc.201300855
日期:2014.4.14
Mor‐DalPhos as the P,N‐bidentate ligand and mesylate as the counter ion, the resulting gold(I) complex catalyzes efficient oxidative transformations of various terminal alkynes into synthetically versatile methanesulfonyloxymethyl ketones. The mild reaction conditions and high efficiency permit the one‐pot synthesis of a range of valuable 2,4‐disubstituted thiazoles by subjecting the resulting reaction
通过使用Mor-DalPhos作为P,N-双齿配体和甲磺酸酯作为抗衡离子,所得的Gold(I)络合物催化各种末端炔烃高效氧化转化为合成用途的甲磺酰氧基甲基酮。温和的反应条件和高效率可通过使所得的反应混合物在温和的条件下与硫酰胺进一步缩合,一锅法合成一系列有价值的2,4-二取代的噻唑。