Asymmetric Friedel–Crafts reaction of N-heterocycles and nitroalkenes catalyzed by imidazoline–aminophenol–Cu complex
作者:Naota Yokoyama、Takayoshi Arai
DOI:10.1039/b904275j
日期:——
Catalytic asymmetric FriedelâCrafts reaction of pyrrole with nitroalkenes was smoothly catalyzed by newly synthesized nitro-substituted imidazolineâaminophenol (1b)âCu complex to give the adduct with up to 92% ee.
Enantioselective Michael Addition of Pyrroles with Nitroalkenes in Aqueous Media Catalyzed by a Water-Soluble Catalyst
作者:Yang Gui、Yanan Li、Jianan Sun、Zhenggen Zha、Zhiyong Wang
DOI:10.1021/acs.joc.8b01141
日期:2018.7.20
A new water-soluble catalytic system was developed and used in an enantioselectiveMichaeladdition of pyrroles with nitroalkenes in water to afford nitroethylpyrrole derivatives with both excellent yields and ee values.