Highly enantioselective Michael addition of malonates to β,γ-unsaturated α-ketoesters catalyzed by chiral N,N′-dioxide-Yttrium(iii) complexes with convenient procedure
作者:Lin Zhou、Lili Lin、Wentao Wang、Jie Ji、Xiaohua Liu、Xiaoming Feng
DOI:10.1039/c002208j
日期:——
Highly enantioselective Michael addition of malonates to beta,gamma-unsaturated alpha-ketoesters has been promoted by chiral N,N'-dioxide-Yttrium(iii) complexes, providing the corresponding products in excellent yields with 94-99% ee values.
手性N,N'-二氧化物-钇(iii)配合物促进了丙二酸酯向β,γ-不饱和α-酮酸酯的高对映选择性迈克尔加成反应,从而提供了具有良好收率的相应产品,其ee值为94-99%。