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)-Schiff base 1 complex (1-10 mol%) promoted the catalytic asymmetric 1,4-addition reactions of beta-keto esters and an N-Boc oxindole to nitroethylene, giving products in 98-75% ee.
均二核Ni(2)-席夫碱1配合物(1-10 mol%)促进了β-酮酸酯和N-Boc羟吲哚向硝基乙烯的催化不对称1,4-加成反应,得到98-75%ee的产物。