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Article Abstract
This Letter describes the photocatalytic C(sp)-H amination of electron-rich arenes with azoles via an electron donor-acceptor (EDA) pathway. The acceptor in this system is proposed to be a pyridin-1-ium salt generated from the combination of pyridine and either LiOTf or HOTf. The reactions proceed with irradiation using 370 nm LEDs, and the pyridine/acid acceptor can serve as a catalyst under aerobic conditions. This represents a rare example of a catalytic acceptor in EDA photochemistry.
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| http://dx.doi.org/10.1021/acs.orglett.5c03040 | DOI Listing |
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