Enantioselective Biocatalytic Oxidative Desymmetrization of Substituted Pyrrolidines
作者:Valentin Köhler、Kevin R. Bailey、Anass Znabet、James Raftery、Madeleine Helliwell、Nicholas J. Turner
DOI:10.1002/anie.200906655
日期:2010.3.15
Made up out of air: The highly enantioselective oxidation of 3,4‐substituted meso‐pyrrolidines to Δ1‐pyrrolines is reported. The reaction is catalyzed by monoamine oxidase from Aspergillus niger (MAO‐N D5) and utilizes molecular oxygen from air as the stoichiometric oxidant. The corresponding Δ1‐pyrrolines serve as useful building blocks for the synthesis of L‐proline analogues and α‐amino nitriles
由出空气的:3,4-取代的高度对映选择性氧化内消旋-pyrrolidines到Δ 1 -pyrrolines报道。该反应由来自黑曲霉的单胺氧化酶(MAO-N D5)催化,并利用空气中的分子氧作为化学计量氧化剂。相应的Δ 1 -pyrrolines充当用于合成有用的积木大号脯氨酸类似物和高对映体纯度的α氨基腈。