Direct <i>N</i><i>-</i>Acetyl Enamine Formation: Lithium Bromide Mediated Addition of Methyllithium to Nitriles
作者:Cécile G. Savarin、Geneviève N. Boice、Jerry A. Murry、Edward Corley、Lisa DiMichele、Dave Hughes
DOI:10.1021/ol061318k
日期:2006.8.1
An improved protocol for N-acetyl enamineformation 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.