Enantioselective platinum-catalyzed silicon-boron addition to 1,3-cyclohexadiene

被引:47
|
作者
Gerdin, M [1 ]
Moberg, C [1 ]
机构
[1] Royal Inst Technol, Dept Chem, SE-10044 Stockholm, Sweden
关键词
asymmetric catalysis; dienes; enantioselective; platinum; silaboration;
D O I
10.1002/adsc.200505016
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Silaboration of 1,3-cyclohexadiene in the presence of Pt(acac)(2), DIBALH, and a phosphoramidite prepared from (S)-1,1'-bi-2-naphthol and diisopropylamine led to (1R,4S)-1-(dimethylphenylsilyl)4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-cyclohexene with 70% ee. Chiral catalysts based on Ni gave no or essentially racemic product, whereas complexes containing Pd were inactive.
引用
收藏
页码:749 / 753
页数:5
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