Rhodium catalyzed asymmetric 1,4-addition of arylboronic acids to β,γ-unsaturated α-keto ester using chiral tert-butanesulfinylphosphines ligands
作者:Juanjuan Wang、Bing Wang、Peng Cao、Jian Liao
DOI:10.1016/j.tetlet.2014.04.074
日期:2014.6
Rh-Catalyzed asymmetric 1,4-selective addition of arylboronic acids to β,γ-unsaturated α-keto ester was developed using chiral tert-butanesulfinylphosphine as ligand, good yields (up to 87%), good 1,4-regioselectivities (up to 96:4), and high enantioselectivities (up to 94% ee) were achieved.
以手性叔丁烷亚磺酰基膦为配体,开发了Rh催化的β,γ-不饱和α-酮酯向芳基硼酸的1,4-选择性不对称加成,收率良好(高达87%),良好的1,4-区域选择性(高达至96:4)和高对映选择性(高达94%ee)。