Organocatalytic Highly Enantio- and Diastereoselective Mannich Reaction of β-Ketoesters with <i>N</i>-Boc-aldimines
作者:Young Ku Kang、Dae Young Kim
DOI:10.1021/jo900880t
日期:2009.8.7
The catalytic enantioselective Mannich reaction promoted by chiral bifunctional organocatalysts is described. The treatment of β-ketoesters with N-Boc-aldimines under mild reaction conditions afforded the corresponding β-amino β-ketoesters with excellent diastereoselectivities (up to 100:0 dr) and excellent enantioselectivities (up to 99% ee).
描述了由手性双官能有机催化剂促进的催化对映选择性曼尼希反应。在温和的反应条件下用N -Boc-醛亚胺处理β-酮酸酯,得到相应的β-氨基β-酮酸酯,其具有非对映选择性(高达100:0 dr)和优异的对映选择性(高达99%ee)。