Tridentate Macrocyclic Compounds

Liviu M Mirica (Inventor), Hanah Na (Inventor)

Research output: Patent

Abstract

Photoredox catalysis has emerged as a powerful strategy for C—O cross-coupling reactions. We herein report a new class of tridentate pyridinophane ligands .sup.RN3 that allow for detailed mechanistic studies of the photocatalytic C—O coupling reaction. The derived (.sup.RN3)Ni complexes are active C—O cross-coupling photocatalysts under mild conditions and without an additional photocatalyst. We also utilized the .sup.RN3 ligands to study the essential but so far putative steps involving paramagnetic Ni species in a proposed catalytic cycle: the oxidative addition of an aryl bromide to a Ni(I) species, the ligand exchange at a Ni(III) center, and the C—O reductive elimination from a Ni(III) species.
Original languageEnglish (US)
U.S. patent number11827653
StatePublished - Nov 28 2023

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