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  4. Remote C(sp(3))-H Arylation and Vinylation of N-Alkoxypyridinium Salts to delta-Aryl and delta-Vinyl Alcohols
 
research article

Remote C(sp(3))-H Arylation and Vinylation of N-Alkoxypyridinium Salts to delta-Aryl and delta-Vinyl Alcohols

Bao, Xu  
•
Wang, Qian
•
Zhu, Jieping  
August 13, 2019
Chemistry – A European Journal

The reaction of readily available and bench-stable N-alkoxypyridinium salts with arylboronic and vinylboronic acids afforded delta-aryl and delta-vinyl alcohols, respectively, in the presence of fac-Ir(ppy)(3) and Cu(OTf)(2) dual catalysts. The reaction takes place through a domino process involving the reductive generation of alkoxyl radicals, 1,5-hydrogen atom transfer (1,5-HAT) and the copper-catalyzed cross-coupling reaction of the resulting translocated carbon radicals with boronic acids. Complementary to the Minisci reaction, this method allows for the arylation of nucleophilic alkyl radicals with both electron-rich and electron-poor arenes under mild reaction conditions.

  • Details
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Type
research article
DOI
10.1002/chem.201902918
Web of Science ID

WOS:000481094000001

Author(s)
Bao, Xu  
Wang, Qian
Zhu, Jieping  
Date Issued

2019-08-13

Publisher

WILEY-V C H VERLAG GMBH

Published in
Chemistry – A European Journal
Volume

25

Issue

50

Start page

11630

End page

11634

Subjects

Chemistry, Multidisciplinary

•

Chemistry

•

alkoxyl radical

•

c-h activation

•

cross-coupling

•

dual catalysis

•

photoredox catalyst

•

c-h bonds

•

photoredox catalysis

•

relay cyclizations

•

nitrogen-radicals

•

allylic alcohols

•

alkoxyl radicals

•

hydrogen-atom

•

copper

•

alkenes

•

functionalization

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSPN  
Available on Infoscience
August 31, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/160733
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