Benzimidazolium naphthoxide (ONap-BI) was first synthesized and utilized as an unprecedented betaine photoredox catalyst. Photoexcited state of ONap-BI generated by visible light irradiation catalyzes the reductive deiodination as well as desulfonylation reactions in which 1,3-dimethyl-2-phenylbenzimidazoline (Ph-BIH) cooperates with as an electron and hydrogen atom donor. Significant solvent effects on the reaction progress were discovered, and specific solvation toward imidazolium and naphthoxide moieties of ONap-BI was proposed.
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| http://dx.doi.org/10.1021/acs.joc.8b00282 | DOI Listing |
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