Merging gold catalysis, organocatalytic oxidation, and Lewis acid catalysis for chemodivergent synthesis of functionalized oxazoles from N-propargylamides
作者:Shaoyu Mai、Changqing Rao、Ming Chen、Jihu Su、Jiangfeng Du、Qiuling Song
DOI:10.1039/c7cc05746f
日期:——
Novel catalytic systems consisting of cationic gold complexes, N-hydroxyphthalimide (NHPI), and transition-metal-based Lewis acids have been developed for the one-pot synthesis of functionalized oxazoles from N-propargylamides with excellent functional group tolerance. These transformations demonstrated the excellent compatibility of homogeneous gold catalysis with organocatalytic oxidative carbon–nitrogen
已经开发了由阳离子金络合物,N-羟基邻苯二甲酰亚胺(NHPI)和过渡金属基路易斯酸组成的新型催化体系,用于由一锅法从具有良好官能团耐受性的N-炔丙基酰胺合成官能化的恶唑。这些转变证明了均相金催化与使用亚硝酸叔丁酯作为末端氧化剂的有机催化氧化碳-氮键形成的优异相容性。此外,根据不同的合成要求,可以一锅法轻松合成恶唑腈或羧酰胺。