Merging Nucleophilic and Hydrogen Bonding Catalysis: An Anion Binding Approach to the Kinetic Resolution of Propargylic Amines

被引:114
作者
Klauber, Eric G. [1 ]
De, Chandra Kanta [1 ]
Shah, Tejas K. [1 ]
Seidel, Daniel [1 ]
机构
[1] Rutgers State Univ, Dept Chem & Chem Biol, Piscataway, NJ 08854 USA
关键词
BRONSTED ACID; METAL CATALYSIS; CHIRAL ANION; ENANTIOSELECTIVE ADDITION; IMINES; ALKYLATION; ALDEHYDES; ALCOHOLS; ALKYNES; SEARCH;
D O I
10.1021/ja105337h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
An efficient kinetic resolution of primary propargylic amines with s-factors of up to 56 is reported. The strategy is based on a dual catalytic approach, namely the use of a newly developed and easy-to-make thiourea-amide anion binding catalyst in combination with 4-(dimethylamino)pyridine (DMAP), both employed at a 5 mol% catalyst loading. Benzylic amines are also resolved with s-factors of up to 38.
引用
收藏
页码:13624 / 13626
页数:3
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