Highly efficient enantioselective three-component synthesis of 2-amino-4H-chromenes catalysed by chiral tertiary amine-thioureas |
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| Authors: | Yang Gaosheng Luo Chongrong Mu Xiaolong Wang Tingting Liu Xin-Yuan |
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| Affiliation: | Anhui Key Laboratory of Functional Molecular Solids, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China. gshyang@mail.ahnu.edu.cn |
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| Abstract: | A three-component cascade reaction of salicylaldehyde, malononitrile/cyanoacetate and nitromethane catalysed by chiral tertiary amino-thioureas was developed, which leads to the production of highly functionalized 2-amino-4H-chromenes in good yields with good to excellent enantioselectivities. |
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