4.6 Article

Palladium/Zinc Co-Catalyzed Asymmetric Hydrogenation of γ-Keto Carboxylic Acids

Journal

CHEMISTRY-AN ASIAN JOURNAL
Volume 16, Issue 10, Pages 1229-1232

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.202100244

Keywords

palladium; hydrogenation; ketone; valerolactone; levulinic acid

Funding

  1. National Natural Science Foundation of China [21961045, 21572198, 22061048]
  2. Applied Basic Research Project of Yunnan Province [2017FA004, 2018FB021]
  3. Yunnan Provincial Key Laboratory Construction Plan Funding of Universities
  4. Yunnan Provincial Engineering Research Center Construction Plan Funding of Universities

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This study has successfully developed a palladium-catalyzed asymmetric hydrogenation of levulinic acid using Zn(OTf)(2) as co-catalyst, providing a new strategy in the field of palladium-catalyzed asymmetric hydrogenation of ketones. It allows the preparation of a wide range of chiral gamma-valerolactones in good yields with excellent enantioselectivities.
A palladium-catalyzed asymmetric hydrogenation of levulinic acid has been successful developed by using Zn(OTf)(2) as co-catalyst. The present method not only has provided a strategy in the palladium-catalyzed asymmetric hydrogenation of ketone, but also allowed the preparation of a wide range of chiral gamma-valerolactones in good yields with excellent enantioselectivities.

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