A Catalytic Tethering Strategy: Simple Aldehydes Catalyze Intermolecular Alkene Hydroaminations
作者:Melissa J. MacDonald、Derek J. Schipper、Peter J. Ng、Joseph Moran、André M. Beauchemin
DOI:10.1021/ja208867g
日期:2011.12.21
Herein we describe a catalytic tethering strategy in which simple aldehyde precatalysts enable, through temporary intramolecularity, room-temperature intermolecular hydroamination reactivity and the synthesis of vicinal diamines. The catalyst allows the formation of a mixed aminal from an allylic amine and a hydroxylamine, resulting in a facile intramolecular hydroamination event. The promising enantioselectivities
在本文中,我们描述了一种催化束缚策略,其中简单的醛预催化剂通过临时分子内、室温分子间加氢胺化反应和邻二胺的合成来实现。该催化剂允许由烯丙胺和羟胺形成混合胺醛,从而导致容易的分子内加氢胺化事件。用手性醛获得的有希望的对映选择性也突出了这种催化束缚方法在不对称催化中的潜力,并证明仅依赖临时分子内的有效对映诱导是可能的。