Synthesis of β-Boryl-α-Aminosilanes by Copper-Catalyzed Aminoboration of Vinylsilanes

被引:65
|
作者
Kato, Kodai [1 ]
Hirano, Koji [1 ]
Miura, Masahiro [1 ]
机构
[1] Osaka Univ, Grad Sch Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
关键词
alpha-aminosilanes; boron; copper; electrophilic amination; synthetic methods; C-H AMINATION; ELECTROPHILIC AMINATION; ASYMMETRIC-SYNTHESIS; COPPER(I)-CATALYZED REACTION; ENANTIOSELECTIVE SYNTHESIS; STEREOSELECTIVE-SYNTHESIS; HYDROAMINATION; ARYL; ACIDS; HYDROXYLAMINES;
D O I
10.1002/anie.201608139
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A copper-catalyzed regioselective and stereospecific aminoboration of vinylsilanes with bis(pinacolato)diboron (pinB-Bpin) and hydroxylamines has been developed. In the presence of a CuCl/MeO-dppbz catalyst, the boryl group and amino group are incorporated at the beta position and alpha position, respectively, and the corresponding beta-boryl-alpha-aminosilanes are obtained with good diastereoselectivity. The boryl group is a good latent functional group, and subsequent manipulations provide a variety of beta-functionalized alpha-aminosilanes of great potential in medicinal chemistry. Additionally, preliminary application to asymmetric catalysis is also described.
引用
收藏
页码:14398 / 14402
页数:5
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