Direct N-acetyl enamine formation: Lithium bromide mediated addition of methyllithium to nitriles

作者:Savarin Cecile G*; Boice Genevieve N; Murry Jerry A; Corley Edward; DiMichele Lisa; Hughes Dave
来源:Organic Letters, 2006, 8(18): 3903-3906.
DOI:10.1021/ol061318k

摘要

An improved protocol for N-acetyl enamine formation is disclosed which involves LiBr-mediated addition of MeLi to substituted nitriles. The resulting enamides are isolated in high yields and excellent purity which permits subsequent hydrogenation at very low catalyst loading.

  • 出版日期2006-8-31