Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8965013 | Chinese Journal of Catalysis | 2018 | 10 Pages |
Abstract
Rh(III)-catalyzed C-H activation of N-protected anilines and chemo-divergent couplings with acroleins/enones have been realized for synthesis of three classes of heterocycles. The oxidative coupling of N-pyridylaniline afforded dihydroquinolones with the acrolein being a major hydrogen acceptor. When the directing group was replaced by pyrimidyl in the same system, redox-neutral coupling occurred to afford hemiaminal ethers. Oxidative annulation of N-pyridylanilines with enones using AgBF4 oxidant afforded atropisomeric quinolinium salts.
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Authors
Xukai Zhou, Jiaqiong Sun, Xingwei Li,