Enantioselective Friedel‐Crafts Alkylation of Indoles with
<i>α, β</i>
‐Unsaturated Aldehydes Catalyzed by Recyclable Second‐generation MacMillan Catalysts
作者:Mohd Jubair Aalam、Deepa、Surendra Singh
DOI:10.1002/ejoc.202200978
日期:2022.11.18
An efficient protocol for enantioselective Friedel-Crafts alkylation reaction was develoved using recoverable second-generation MacMillan catalysts in the presence of trifluoroacetic acid as a co-catalyst.
Highly stereoselective imidazolethiones mediated Friedel–Crafts alkylation of indole derivatives
作者:Xianrui Liang、Shuangmin Li、Weike Su
DOI:10.1016/j.tetlet.2011.11.007
日期:2012.1
The asymmetricFriedel–Craftsalkylation of indoles with α,β-unsaturatedaldehydes was promoted by the novel imidazolethiones to afford the corresponding adducts in moderate to excellent yields and high enantioselectivities under mild reaction conditions.