4.5 Article

Catalytic Asymmetric Cross-Dehydrogenative Coupling of 2H-Chromenes and Aldehydes

Journal

CHINESE JOURNAL OF CHEMISTRY
Volume 36, Issue 12, Pages 1187-1190

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201800369

Keywords

asymmetric catalysis; C-H functionalization; 2H-chromene; aldehyde; oxidation; synthetic method

Funding

  1. National Natural Science Foundation of China [21722204, 21472112]
  2. Fok Ying Tung Education Foundation [151035]

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The first catalytic asymmetric cross-dehydrogenative coupling of 2H-chromenes with aldehydes using o-chloranil (3,4,5,6-tetrachloro-1,2- benzoquinone) as an oxidant has been described. The organocatalytic process is tolerated with a broad range of structurally and electronically varied 2H-chromenes and aldehydes with good yield and high enantiocontrol.

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