Angewandte Chemie - International Edition p. 5007 - 5011 (2017)
Update date:2022-08-03
Topics:
Mathew, Bijoy P.
Yang, Hyun Ji
Kim, Joohee
Lee, Jae Bin
Kim, Yun-Tae
Lee, Sungmin
Lee, Chang Young
Choe, Wonyoung
Myung, Kyungjae
Park, Jang-Ung
Hong, Sung You
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.
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