Asymmetric Addition of Dimethylzinc to α-Ketoesters Catalyzed by (−)-MITH
作者:Hsyueh-Liang Wu、Ping-Yu Wu、Ying-Ying Shen、Biing-Jiun Uang
DOI:10.1021/jo801034q
日期:2008.8.1
This investigation describes the catalytic asymmetric addition of dimethylzinc to α-ketoesters in the presence of (−)-MITH (5) and triethyl borate as an additive to give the corresponding chiral α-hydroxy esters with good yields and high enantioselectivities.