Catalytic asymmetric Payne oxidation under the catalysis of P-spiro chiral triaminoiminophosphorane: application to the synthesis of N-sulfonyl oxaziridines
作者:Daisuke Uraguchi、Ryosuke Tsutsumi、Takashi Ooi
DOI:10.1016/j.tet.2013.12.086
日期:2014.2
exhibits unique chemoselectivity, providing a practical stereoselective route to structurally diverse N-sulfonyl oxaziridines. The mechanistic investigations reveal that the reaction proceeds through the Payne-type oxidation pathway. The synthetic utility of the optically active N-sulfonyl oxaziridines as versatile organic oxidants and chiral building blocks is also demonstrated.
上的高度对映选择性氧化的发展研究Ñ与使用过氧化氢-三氯乙腈系统磺酰亚胺P -螺手性triaminoiminophosphoranes作为有机碱催化剂中详述。该方法是通用的且可扩展的,并且展现出独特的化学选择性,为结构上多样化的N-磺酰基恶唑烷提供了实用的立体选择性途径。机理研究表明反应通过佩恩型氧化途径进行。还证明了旋光性N-磺酰基恶二丙啶作为通用有机氧化剂和手性结构单元的合成用途。