One-Pot Asymmetric Nitro-Mannich/Hydroamination Cascades for the Synthesis of Pyrrolidine Derivatives: Combining Organocatalysis and Gold Catalysis

被引:47
作者
Barber, David M. [1 ]
Duris, Andrej [1 ]
Thompson, Amber L. [1 ]
Sanganee, Hitesh J. [2 ]
Dixon, Darren J. [1 ]
机构
[1] Univ Oxford, Dept Chem, Chem Res Lab, Oxford OX1 3TA, England
[2] AstraZeneca R&D, Emerging Innovat, Alderley SK10 4GT, Cheshire, England
基金
英国工程与自然科学研究理事会;
关键词
organocatalysis; gold catalysis; cascade reactions; nitro-Mannich; hydroamination; pyrrolidine; AZA-HENRY REACTION; ENANTIOSELECTIVE SYNTHESIS; BIFUNCTIONAL ORGANOCATALYSTS; INTRAMOLECULAR HYDROAMINATION; DIASTEREOSELECTIVE SYNTHESIS; STEREOSELECTIVE-SYNTHESIS; CYCLIZATION CASCADE; ABSOLUTE-STRUCTURE; MICHAEL ADDITION; ALLENES;
D O I
10.1021/cs401008v
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The highly enantioselective preparation of trisubstituted pyrrolidinc derivatives employing a one-pot nitro-Mannich/hydroamination cascade is reported. This cascade approach utilizes an asymmetric bifunctional organo-catalytic nitro-Mannich reaction followed by a gold-catalyzed allene hydroamination reaction. The products are afforded in good yields and excellent diastereo- and enantioselectivities.
引用
收藏
页码:634 / 638
页数:5
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