Electrophotocatalytic C-H Functionalization of Ethers with High Regioselectivity.


Journal

Journal of the American Chemical Society
ISSN: 1520-5126
Titre abrégé: J Am Chem Soc
Pays: United States
ID NLM: 7503056

Informations de publication

Date de publication:
29 01 2020
Historique:
pubmed: 7 1 2020
medline: 20 1 2021
entrez: 7 1 2020
Statut: ppublish

Résumé

The highly regioselective electrophotocatalytic C-H functionalization of ethers is described. These reactions are catalyzed by a trisaminocyclopropenium (TAC) ion at mild electrochemical potential with visible light irradiation. Ethers undergo oxidant-free coupling with isoquinolines, alkenes, alkynes, pyrazoles, and purines with typically high regioselectivity for the less-hindered α-position. The reaction is proposed to operate via hydrogen atom transfer (HAT) from the substrate to the photoexcited TAC radical dication, thus demonstrating a new reactivity mode for this electrophotocatalyst.

Identifiants

pubmed: 31904939
doi: 10.1021/jacs.9b11472
pmc: PMC7251231
mid: NIHMS1581498
doi:

Substances chimiques

Cyclopropanes 0
Ethers 0
Carbon 7440-44-0
cyclopropene 7B8994OHJ0
Hydrogen 7YNJ3PO35Z

Types de publication

Journal Article Research Support, N.I.H., Extramural

Langues

eng

Sous-ensembles de citation

IM

Pagination

1698-1703

Subventions

Organisme : NIGMS NIH HHS
ID : R35 GM127135
Pays : United States

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Auteurs

He Huang (H)

Department of Chemistry and Chemical Biology , Cornell University , Ithaca , New York 14853 , United States.

Zack M Strater (ZM)

Department of Chemistry , Columbia University , New York , New York 10027 , United States.

Tristan H Lambert (TH)

Department of Chemistry and Chemical Biology , Cornell University , Ithaca , New York 14853 , United States.
Department of Chemistry , Columbia University , New York , New York 10027 , United States.

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Classifications MeSH