Asymmetric catalytic Mannich reactions catalyzed by urea derivatives:: Enantioselective synthesis of β-aryl-β-amino acids

被引:527
作者
Wenzel, AG [1 ]
Jacobsen, EN [1 ]
机构
[1] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA
关键词
D O I
10.1021/ja028353g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Highly enantioselective addition reactions between silyl ketene acetals and N-Boc aldimines are catalyzed by the thiourea-based catalyst 1c. Extraordinary scope is observed in this methodology with regard to the imine substrate, with aryl and heteroaromatic derivatives generally affording nearly quantitative yields of β-amino ester product in up to 98% enantioselectivity. Copyright © 2002 American Chemical Society.
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页码:12964 / 12965
页数:2
相关论文
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