Metal-Free Direct Asymmetric Aminoxylation of Aldehydes Catalyzed by a Binaphthyl-Based Chiral Amine
作者:Taichi Kano、Haruka Mii、Keiji Maruoka
DOI:10.1002/anie.201002965
日期:2010.9.3
And I'm free, metal‐free fallin': A metal‐free direct asymmetric aminoxylation of aldehydes with the oxoammonium salt 1, generated in situ from TEMPO and benzoyl peroxide (BPO), was found to be catalyzed by a binaphthyl‐based secondary amine (S)‐2. This method provides a new approach to bench‐stable optically active α‐aminoxy aldehydes as useful chiral building blocks. TMS=trimethylsilyl.
而且我是自由的,没有金属的迷恋:TEMPO和过氧化苯甲酰(BPO)原位生成的含氧铵盐1的醛与金属的无金属直接不对称氨氧化被发现是由基于二萘基的仲丁基催化的。胺(S)-2。这种方法提供了一种新的方法,可将稳定的旋光性α-氨氧基醛用作有用的手性结构单元。TMS =三甲基甲硅烷基。