(R)-2,2′-bis(stannyl)-1,1′-binaphthyls as a new chiral bis-metallic binaphthyl catalyst

被引：6
|
作者：
Hoshi, T
Shionoiri, H
Katano, M
Suzuki, T
Ando, M
Hagiwara, H
机构：
[1] Niigata Univ, Fac Engn, Niigata 9502181, Japan
[2] Niigata Univ, Grad Sch Sci & Technol, Niigata 9502181, Japan
来源：
CHEMISTRY LETTERS | 2002年 / 06期
关键词：
D O I：
10.1246/cl.2002.600
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Dilithiation followed by bis-stannylation with Me3SnCl of (R)-2,2'-dibromo-1,1'-binaphthyl (2) and the subsequent redistribution reaction of resulting (R)-2,2'-bis(trimethylstannyl)-1,1'-binaphthyl (6) with SnCl4 gave the novel chiral Lewis acid catalyst (R)-2,2-bis(dichloromethylstannyl)-1, 1'-binaphthyl (4). The catalytic properties of 4 and its triflate 5 were investigated as the first chiral bis-metallic binaphthyl catalyst.
引用
收藏
页码：600 / 601
页数：2
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