Mesoporous graphitic carbon nitride as a heterogeneous organic photocatalyst in 
the dual catalytic arylation of alkyl bis(catecholato)silicates

Schirmer, Tobias E.; Abdellaoui, Mehdi; Savateev, Aleksandr; Ollivier, Cyril; Antonietti, Markus; Fensterbank, Louis; König, Burkhard

doi:10.1021/acs.orglett.2c00529

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Mesoporous graphitic carbon nitride as a heterogeneous organic photocatalyst in the dual catalytic arylation of alkyl bis(catecholato)silicates

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Savateev, Aleksandr
Aleksandr Savateev, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Antonietti, Markus
Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Schirmer, T. E., Abdellaoui, M., Savateev, A., Ollivier, C., Antonietti, M., Fensterbank, L., et al. (2022). Mesoporous graphitic carbon nitride as a heterogeneous organic photocatalyst in the dual catalytic arylation of alkyl bis(catecholato)silicates. Organic Letters, 24(13), 2483-2487. doi:10.1021/acs.orglett.2c00529.

Zitierlink: https://hdl.handle.net/21.11116/0000-000A-2BE2-7

Zusammenfassung

Mesoporous graphitic carbon nitride (mpg-CN) is introduced as a heterogeneous photocatalyst to perform dual photoredox- and nickel-catalyzed cross-coupling reactions between alkyl bis(catecholato)silicates as radical precursors and aryl or alkenyl bromides. The synergy between this recyclable photocatalyst and the broadly applied homogeneous nickel complex [Ni(dtbbpy)Br₂] gives access to C(sp²)–C(sp³) cross-coupling products in a sustainable fashion. The recycled mpg-CN photocatalyst was analyzed by time-resolved emission spectroscopy and EPR spectroscopy.