Electronic tuning of chiral diene ligands in iridium-catalyzed asymmetric 1,6-addition of arylboroxines to δ-aryl-α,β,γ,δ-unsaturated ketones

被引:51
作者
Nishimura, Takahiro [1 ]
Noishiki, Akira [1 ]
Hayashi, Tamio [1 ]
机构
[1] Kyoto Univ, Dept Chem, Grad Sch Sci, Sakyo Ku, Kyoto 6068502, Japan
关键词
ENANTIOSELECTIVE 1,6-CONJUGATE ADDITION; GRIGNARD-REAGENTS; CONJUGATE ADDITION; BORONIC ACIDS; ARYL; TETRAFLUOROBENZOBARRELENES; 1,4-ADDITION;
D O I
10.1039/c2cc16973h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Asymmetric addition of arylboroxines to delta-aryl-alpha,beta,gamma,delta-unsaturated ketones proceeded in the presence of an iridium catalyst coordinated with a chiral diene ligand to give high yields of delta-diaryl ketones with very high enantioselectivity.
引用
收藏
页码:973 / 975
页数:3
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