4.8 Article

Biomimetic Desymmetrization of a Carboxylic Acid

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 6, Pages 1998-2001

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b12185

Keywords

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Funding

  1. Vanderbilt University Summer Research Program
  2. National Institute of General Medical Sciences [NIH GM 084333]
  3. NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM084333] Funding Source: NIH RePORTER

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The enantioselective desymnitrization of carboxylic acids by chiral Bronsted base-catalysis is reported, leading to bridged bicyclic lactones with up to 94% ee. Crystallographic analysis of a substrate-catalyst complex suggests an origin of stereocontrol, retniniscent of functional Bronsted bases in biological Settings, and enabled reaction optimization. The products contain an all-carbon qiiaternary stereocenter and can be-derivatized to functionalized cyclopentanes.

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