作者:Jian Zhou、Benjamin List
DOI:10.1021/ja072134j
日期:2007.6.1
We report a new strategy for organocatalytic cascade reactions. Accordingly, enamine catalysis, iminium catalysis, and Bronsted acid catalysis can work in concert in a highly enantioselective organocatalytic cascade sequence toward chiral cis-3-substituted cyclohexylamines. We found that an achiral amine in combination with a catalytic amount of a chiral Bronsted acid can accomplish an aldol additi
我们报告了一种有机催化级联反应的新策略。因此,烯胺催化、亚胺鎓催化和布朗斯台德酸催化可以在高度对映选择性的有机催化级联序列中协同作用,形成手性顺式 3-取代环己胺。我们发现,非手性胺与催化量的手性布朗斯台德酸结合可以完成醛醇加成-脱水-共轭还原-还原胺化,以良好的产率和出色的对映选择性提供药物活性化合物的潜在中间体。