Modular Synthesis of 1,2-Diamine Derivatives by Palladium-Catalyzed Aerobic Oxidative Cyclization of Allylic Sulfamides
作者:Richard I. McDonald、Shannon S. Stahl
DOI:10.1002/anie.200906342
日期:——
Allylic sulfamides undergo aerobic oxidative cyclization at room temperature, mediated by a Pd(O2CCF3)2/DMSO catalyst system in tetrahydrofuran. The cyclic sulfamide products are readily converted into 1,2‐diamines, and substrates derived from chiral allylic amines cyclize with very high diastereoselectivity.
烯丙基磺酰胺在室温下经历有氧氧化环化,由四氢呋喃中的 Pd(O 2 CCF 3 ) 2 /DMSO 催化剂系统介导。环状磺酰胺产物很容易转化为 1,2-二胺,并且衍生自手性烯丙基胺的底物以非常高的非对映选择性环化。