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Nature Communications, volume 9, issue 1, publication number 3343

Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds

Publication typeJournal Article
Publication date2018-08-21
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
Construction of C–C bonds via alkoxy radical-mediated remote C(sp3)–H functionalization is largely unexplored, as it is a formidable challenge to directly generate alkoxy radicals from alcohols due to the high bond dissociation energy (BDE) of O–H bonds. Disclosed herein is a practical and elusive metal-free alcohol-directed heteroarylation of remote unactivated C(sp3)–H bonds. Phenyliodine bis(trifluoroacetate) (PIFA) is used as the only reagent to enable the coupling of alcohols and heteroaryls. Alkoxy radicals are readily generated from free alcohols under the irradiation of visible light, which trigger the regioselective hydrogen-atom transfer (HAT). A wide range of functional groups are compatible with the mild reaction conditions. Two unactivated C–H bonds are cleaved and one new C–C bond is constructed during the reaction. This protocol provides an efficient strategy for the late-stage functionalization of alcohols and heteroaryls. Direct remote C–H functionalization of aliphatic alcohols via alkoxy radicals is largely unexplored. Here, the authors report the C(sp3)-heteroaryl bond formation in aliphatic alcohols mediated by alkoxy radicals formed with a hypervalent iodine reagent.

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GOST Copy
Wu X. et al. Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds // Nature Communications. 2018. Vol. 9. No. 1. 3343
GOST all authors (up to 50) Copy
Wu X., Zhang H., Tang N., Wu Z., Wang D., Ji M., Xu Y., Wang M., Zhu C. Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds // Nature Communications. 2018. Vol. 9. No. 1. 3343
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41467-018-05522-9
UR - https://doi.org/10.1038/s41467-018-05522-9
TI - Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds
T2 - Nature Communications
AU - Wu, Xinxin
AU - Zhang, Hong
AU - Tang, Nana
AU - Wu, Zhen
AU - Wang, Dongping
AU - Ji, Meishan
AU - Xu, Yan
AU - Wang, Min
AU - Zhu, Chen
PY - 2018
DA - 2018/08/21 00:00:00
PB - Springer Nature
IS - 1
VL - 9
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Wu,
author = {Xinxin Wu and Hong Zhang and Nana Tang and Zhen Wu and Dongping Wang and Meishan Ji and Yan Xu and Min Wang and Chen Zhu},
title = {Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds},
journal = {Nature Communications},
year = {2018},
volume = {9},
publisher = {Springer Nature},
month = {aug},
url = {https://doi.org/10.1038/s41467-018-05522-9},
number = {1},
doi = {10.1038/s41467-018-05522-9}
}
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