机构:
Tokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, JapanTokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, Japan
Ohkouchi, M
[1
]
Yamaguchi, M
论文数: 0引用数: 0
h-index: 0
机构:
Tokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, JapanTokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, Japan
Yamaguchi, M
[1
]
Yamagishi, T
论文数: 0引用数: 0
h-index: 0
机构:
Tokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, JapanTokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, Japan
Yamagishi, T
[1
]
机构:
[1] Tokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, Japan
来源:
ENANTIOMER
|
2000年
/
5卷
/
01期
关键词:
Ag(I)-complex;
Lewis acid catalyst;
Mukaiyama aldol reaction;
D O I:
暂无
中图分类号:
Q5 [生物化学];
Q7 [分子生物学];
学科分类号:
071010 ;
081704 ;
摘要:
Cationic Ag(I)-BINAP complex has been shown to be an effective catalyst for Mukaiyama aldol reaction between aldehyde and silyl enol ether derivatives. AgPF6-BINAP is very active in this reaction and can achieve high enantiomeric excess under mild conditions. Addition of a small amount of water enhanced the reactivity to suggest the contribution of enolate anion intermediate. AgOAc-BINAP, which in non-cationic species, showed an extraordinary; high activity although %ee was low.