4.8 Article

O-Monoacyltartaric Acid/(Thio)urea Cooperative Organocatalysis for Enantioselective Conjugate Addition of Boronic Acid

Journal

ORGANIC LETTERS
Volume 22, Issue 10, Pages 3780-3784

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c00981

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Funding

  1. JSPS KAKENHI [16KT0164, 19K06986]
  2. Grants-in-Aid for Scientific Research [19K06986, 16KT0164] Funding Source: KAKEN

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(Thio)urea cocatalyst accelerates O-monoacyltartaric acid (MAT)-catalyzed enantioselective conjugate addition of boronic acid to unsaturated ketone. Kinetic studies of this reaction revealed first-order dependence of each substrate and catalyst and second-order dependence of (thio)urea, leading to reduction of the catalyst loading and development of more active and enantioselective MAT monoaryl ester catalyst.

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