(S)-(−)-Fluorenylethylchloroformate (FLEC); preparation using asymmetric transfer hydrogenation and application to the analysis and resolution of amines
作者:Mohammad A. Amin、Michelle A. Camerino、Simon J. Mountford、Xiao Ma、David T. Manallack、David K. Chalmers、Martin Wills、Philip E. Thompson
DOI:10.1016/j.tet.2019.130591
日期:2019.10
chiral derivatisation reagent that is used for the resolution of a wide variety of chiral amines. Herein, we describe an improved preparation of (S)-(−)-FLEC using an efficient asymmetric catalytic transfer hydrogenation as the key step. We also demonstrate the application of FLEC as a chiral Fmoc equivalent for chiral resolution, with facile deprotection, of tetrahydroquinaldines, and its capacity for