4.0 Article

Proline-based dipeptides as efficient organocatalysts for asymmetric aldol reactions in brine

Journal

TETRAHEDRON-ASYMMETRY
Volume 22, Issue 10, Pages 1074-1080

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2011.06.017

Keywords

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Funding

  1. National Natural Science Foundation of China [20802025]
  2. Jilin Provincial Science & Technology Sustentation Program [20090585, 20100538]

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Simple N-proline-based dipeptides with two N-H groups in combination with 2,4-dinitrophenol (DNP) catalyze the direct asymmetric aldol reactions of aldehydes with a broad range of ketones to furnish the corresponding aldol products in high yields (up to 99%) and with high enantioselectivities (up to 97%) and diastereoselectivities (up to > 99:1, anti/syn) at room temperature and in brine. (C) 2011 Elsevier Ltd. All rights reserved.

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