Polydentate hydrazones as multitasking catalysts in visible-light-induced coupling reactions of amines?
Organic & Biomolecular Chemistry Pub Date: 2022-12-15 DOI: 10.1039/D2OB02092K
Abstract
A Cu/hydrazone catalyst has been applied in the coupling reactions of anilines for the synthesis of diarylamines and azobenzenes. The copper complex that is formed in situ plays a double duty by harnessing photon energy as a photocatalyst and then by catalysing organometallic elementary steps as a transition metal catalyst. By the selection of hydrazones and bases, the reaction selectivity of aniline can be tuned between homo-coupling and its cross-coupling with arylboronic acid, exhibiting the great potential of such hydrazones in organic synthesis.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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