Chiral amino alcohols derived from (S)-6-chloronicotine as catalysts for asymmetric synthesis
作者:Sonja S. Capracotta、Daniel L. Comins
DOI:10.1016/j.tetlet.2009.02.012
日期:2009.4
Commercially available (S)-nicotine was converted in two or three synthetic steps to various chiral amino alcohols. These nicotine derivatives were evaluated as potential chiral ligands for metal-catalyzed asymmetric reactions by using the addition of diethylzinc to aldehydes as a screen. Several reactions proceeded with a high degree of enantioselectivity providing good yields of secondary alcohols
将可商购获得的(S)-烟碱在两个或三个合成步骤中转化为各种手性氨基醇。通过将二乙基锌加到醛中作为筛选,可将这些烟碱衍生物评估为金属催化的不对称反应的潜在手性配体。以高对映选择性进行了数个反应,从而提供了高收率的高对映体纯度的仲醇。