syn-selective catalytic asymmetric nitro-Mannich reactions using a heterobimetallic Cu-Sm-Schiff base complex

被引:217
作者
Handa, Shinya [1 ]
Gnanadesikan, Vijay [1 ]
Matsunaga, Shigeki [1 ]
Shibasaki, Masakatsu [1 ]
机构
[1] Univ Tokyo, Grad Sch Pharmaceut Sci, Tokyo 1130033, Japan
关键词
D O I
10.1021/ja0701560
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
syn-Selective catalytic asymmetric nitro-Mannich reactions using a heterobimetallic Cu/Sm/Schiff base complex are described. The present method is complementary to the previously reported methods, and products were obtained in high syn-selectivity (> 20:1), yield (99-62%), and enantioselectivity (98-83% ee). Both Cu and Sm metals, aligned suitably in a dinucleating Schiff base ligand, were essential to realize high synselectivity.
引用
收藏
页码:4900 / +
页数:3
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