Highly enantioselective aldol reactions catalyzed by a recyclable fluorous (S) pyrrolidine sulfonamide on water |
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Authors: | Zu Liansuo Xie Hexin Li Hao Wang Jian Wang Wei |
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Affiliation: | Department of Chemistry & Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131-0001, USA. |
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Abstract: | Fluorous (S) pyrrolidine sulfonamide serves as an efficient promoter for highly enantioselective aldol reactions of ketones and aldehydes with aromatic aldehydes on water. A notable feature of the organocatalyst is that it can be recovered from the reaction mixtures by simple fluorous solid-phase extraction and subsequently reused (up to seven cycles) without a significant loss of catalytic activity and stereoselectivity. |
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