2022
DOI: 10.26434/chemrxiv-2022-44s22
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1,3,2-Diazaphospholene-Catalyzed Reductive Cyclizations of Organohalides

Abstract: 1,3,2-diazaphospholenes hydrides (DAP-Hs) are highly nucleophilic organic hydrides serving as main-group catalysts for a range of attractive transformations. DAP hydrides can act as stoichiometric hydrogen atom transfer agents in radical reactions. Herein, we report a DAP-catalyzed reductive radical cyclization of a broad range of aryl and alkyl halides under mild conditions. The pivotal DAP catalyst turnover was achieved by a DBU-assisted σ-bond metathesis between the formed DAP halide and HBpin rapidly regen… Show more

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