Pyrrolidine-based chiral pyridinium ionic liquids (ILs) as recyclable and highly efficient organocatalysts for the asymmetric Michael addition reactions |
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Authors: | Bukuo Ni |
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Institution: | Department of Chemistry, Texas A&M University-Commerce Commerce, TX 75429-3011, USA |
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Abstract: | A novel series of pyrrolidine-based chiral pyridinium ionic liquids (ILs) have been developed by using commercially available (S)-(2-aminomethyl)-1-N-Boc-pyrrolidine. These chiral ILs have been found to be recyclable and efficient organocatalysts for the asymmetric catalytic Michael addition reactions of ketones to nitroolefins with high yields, high enantioselectivies, and diastereoselectivies. |
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