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  • Title: Visible-light-mediated semi-heterogeneous black TiO2/nickel dual catalytic C (sp2)-P bond formation toward aryl phosphonates.
    Author: Koohgard M, Karimitabar H, Hosseini-Sarvari M.
    Journal: Dalton Trans; 2020 Dec 21; 49(47):17147-17151. PubMed ID: 33232413.
    Abstract:
    The combination of black TiO2 nanoparticles (NPs) with a nickel catalyst provides a low-cost, sustainable, and reusable alternative dual catalytic system to a homogeneous counterpart (noble metals). This black TiO2-photoredox/nickel dual catalytic system has efficiently driven C-P bond formation between aryl iodides and diarylphosphine oxides under visible light, providing good to excellent yields as well as tolerating a variety of functional groups. The practical application of this semi-heterogeneous protocol has been highlighted by a sunlight experiment, a gram-scale reaction, and a reusability test.
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