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Park, Jang-Ung
Flexible Nano-electronics & Biotechnology Lab
Research Interests
  • Wireless wearable electronics, flexible electronics, printed electronics, nano-bio interfaces

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An Annulative Synthetic Strategy for Building Triphenylene Frameworks by Multiple C-H Bond Activations

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Title
An Annulative Synthetic Strategy for Building Triphenylene Frameworks by Multiple C-H Bond Activations
Author
Mathew, Bijoy P.Yang, Hyun JiKim, JooheeLee, Jae BinKim, Yun-TaeLee, SungminLee, Chang YoungChoe, WonyoungMyung, KyungjaePark, Jang-UngHong, Sung You
Keywords
arylation; C@H activation; diaryliodonium salt; palladium; triphenylene
Issue Date
201704
Publisher
WILEY-V C H VERLAG GMBH
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.56, no.18, pp.5007 - 5011
Abstract
C−H activation is a versatile tool for appending aryl groups to aromatic systems. However, heavy demands on multiple catalytic cycle operations and site-selectivity have limited its use for graphene segment synthesis. A Pd-catal- yzed one-step synthesis of functionalized triphenylene frameworks is disclosed, which proceeds by 2- or 4-fold C−H arylation of unactivated benzene derivatives. A Pd2(dibenzylideneacetone)3 catalytic system, using cyclic diaryliodonium salts as π-extending agents, leads to site-selective inter- and intramolecular tandem arylation sequences. Moreover, N-substituted triphenylenes are applied to a field-effect transistor sensor for rapid, sensitive, and reversible alcohol vapor detection.
URI
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DOI
http://dx.doi.org/10.1002/anie.201700405
ISSN
1433-7851
Appears in Collections:
SNS_Journal Papers
SLS_Journal Papers
MSE_Journal Papers
ECHE_Journal Papers

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