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Photoredox C–O Cross Coupling of Aryl Halides and Alcohols on Nickel-Coordinated Carbon Nitride
Nickel-Coordinated Carbon Nitride as a Metallaphotoredox Platform for the Cross-Coupling of Aryl Halides with Alcohols.
ACS Catal. 2020;
Key wordsnickel catalysis - carbon nitride - cross-coupling - photoredox catalysis - aryl halides - alcohols
Nickel-coordinated graphitic carbon nitride (Ni/g-C3N4), prepared according to Equation 1, catalyzed the C–O cross coupling of aryl bromides with alcohols under visible-light irradiation to give the corresponding aryl ethers in ≤95% isolated yield.
The preparation of g-C3N4 has been previously reported (X. Li et al. J. Phys. Chem. Solids, 2014, 75, 441). In the C–O cross coupling of 4′-bromoacetophenone with MeOH, Ni/C3N4 was recovered and reused four times without significant loss of its catalytic activity.
16 February 2021 (online)
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