4.8 Article

Phase-Transfer-Catalyzed Enantioselective α-Hydroxylation of Acyclic and Cyclic Ketones with Oxygen

Journal

ACS CATALYSIS
Volume 5, Issue 6, Pages 3609-3612

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acscatal.5b00583

Keywords

phase transfer catalysis; hydroxylation; alpha-hydroxy ketone; oxygen; cinchona alkaloid; enantioselectivity

Funding

  1. Singapore National Research Foundation (NRF Fellowship)
  2. National University of Singapore

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An efficient and enantioselective alpha-hydroxylation of acyclic as well as cyclic ketones using molecular oxygen has been developed. This simple catalytic procedure uses a readily available phase transfer catalyst and produces a wide range of valuable tertiary a-hydroxy ketones in good to excellent enantiopurity.

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