Intermolecular reductive coupling of hindered N-aryl imines towards the modular synthesis of chiral N-heterocyclic carbenes
作者:Gregory J. Mercer、Megan Sturdy、David R. Jensen、Matthew S. Sigman
DOI:10.1016/j.tet.2005.03.124
日期:2005.6
We describe a simple method for the synthesis of hindered N-aryl diamines. The diastereoselectivity for these processes are relatively low but the diamines can be separated using either chromatography or selective crystallization. Separation of enantiomers can be accomplished using HPLC equipped with a chiral stationary phase. (c) 2005 Elsevier Ltd. All rights reserved.