Synthesis of enantiomerically enriched isotopically-labelled anilines by (−)-sparteine directed lithiation
作者:Jonathan Clayden、Loïc Lemiègre、Mark Pickworth
DOI:10.1016/j.tetasy.2008.09.014
日期:2008.9
Anilines bearing benzyl or isopropyl groups isotopically labelled (with H-2 or C-13) in one of a pair of enantiotopic protons or methyl groups can be made using (-)-sparteine-directed lithiation with an electrophilic quench, followed by deprotection. (C) 2008 Elsevier Ltd. All rights reserved.