Enantioselective Synthesis of 3,3-Disubstituted Indolines via Asymmetric Intramolecular Carbolithiation in the Presence of (-)-Sparteine
作者:Ulrich Groth、Peter Köttgen、Philipp Langenbach、Andreas Lindenmaier、Thorben Schütz、Matthias Wiegand
DOI:10.1055/s-2008-1072630
日期:2008.5
The functionalized N-benzyl-protected bromoanilines underwent an asymmetric intramolecular carbolithiation in the presence of t-BuLi and (-)-sparteine yielding 3,3-disubstituted indolines.
功能化的 N-苄基保护的溴苯胺在 t-BuLi 和 (-)-sparteine 的存在下经历了不对称的分子内碳锂化,产生 3,3-二取代二氢吲哚。