Dinuclear Ni<sub>2</sub>–Schiff base complex-catalyzed asymmetric 1,4-addition of β-keto esters to nitroethylene toward γ<sup>2,2</sup>-amino acid synthesis
作者:Harunobu Mitsunuma、Shigeki Matsunaga
DOI:10.1039/c0cc02152k
日期:——
A homodinuclear Ni(2)-Schiffbase 1 complex (1-10 mol%) promoted the catalyticasymmetric1,4-additionreactions of beta-keto esters and an N-Boc oxindole to nitroethylene, giving products in 98-75% ee.