Abstract
The defunctionalization of anilines is an important strategy in aromatic-substitution chemistry. Herein, we report on visible light mediated hydro- and deuterodediazonations in solutions of DMF. The mild reaction conditions (DMF, RT, no additives) tolerate various functional groups and allow the site-specific introduction of D atoms to the arene. Mechanistic investigations indicate the participation of photoredox and radical chain pathways and competing abstraction of methyl and formyl hydrogen atoms from DMF.
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