Modification of chiral monodentate phosphine ligands (MOP) for palladium-catalyzed asymmetric hydrosilylation of cyclic 1,3-dienes

被引：1
|
作者：
Hayashi, T [1 ]
Han, JS [1 ]
Takeda, A [1 ]
Tang, J [1 ]
Nohmi, K [1 ]
Mukaide, K [1 ]
Tsuji, H [1 ]
Uozumi, Y [1 ]
机构：
[1] Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan
来源：
ADVANCED SYNTHESIS & CATALYSIS | 2001年 / 343卷 / 03期
关键词：
allylsilane; asymmetric catalysis; chiral monodentate phosphine ligands; hydrosilylations; palladium;
D O I：
10.1002/1615-4169(20010330)343:3<279::AID-ADSC279>3.3.CO;2-X
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Several MOP ligands 5 containing aryl groups at 2' position of (R)-2-(diphenylphosphino)-1,1'-binaphthyl skeleton were prepared and used for palladium-catalyzed asymmetric hydrosilylation of cyclic 1,3-dienes 6 with trichlorosilane. Highest enantioselectivity was observed in the reaction of 1,3-cyclopentadiene (6a) catalyzed by a palladium complex (0.25 mol %) coordinated with (R)-2-(di-phenylphosphino)-2'-(3,5-dimethyl-4-methoxyphenyl)-1,1'-binaphthyl (5f), which gave (S)-3-(trichlorosilyl)cyclopentene of 90% ee.
引用
收藏
页码：279 / 283
页数：5
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