New biphenol-based, fine-tunable monodentate phosphoramidite ligands for catalytic asymmetric transformations

被引:69
作者
Hua, ZH [1 ]
Vassar, VC [1 ]
Choi, H [1 ]
Ojima, I [1 ]
机构
[1] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA
关键词
D O I
10.1073/pnas.0307101101
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Monodentate phosphoramidite ligands have been developed based on enantiopure 6,6'-dimethylbiphenols with axial chirality. These chiral ligands are easy to prepare and flexible for modifications. The fine-tuning capability of these ligands plays a significant role in achieving high enantioselectivity in the asymmetric hydro-formylation of allyl cyanide and the conjugate addition of diethylzinc to cycloalkenones.
引用
收藏
页码:5411 / 5416
页数:6
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