Zn-proline catalyzed direct aldol reaction in aqueous media.

@article{Darbre2003ZnprolineCD,
  title={Zn-proline catalyzed direct aldol reaction in aqueous media.},
  author={Tamis Darbre and Miguel Machuqueiro},
  journal={Chemical communications},
  year={2003},
  volume={9},
  pages={1090-1}
}
Zn complexes of proline, lysine and arginine are efficient catalysts for the aldol addition of p-nitrobenzaldehyde and acetone in aqueous medium, giving quantitative yields and enantiomeric excesses up to 56% with 5 mol% of the catalysts at room temperature. 

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