Photocatalytic aerobic oxidation of C(sp3)-H bonds

Lei Zhang, Run-Han Li, Xiao-Xin Li (), Shengyao Wang, Jiang Liu, Xiao-Xuan Hong, Long-Zhang Dong, Shun-Li Li and Ya-Qian Lan ()
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Lei Zhang: South China Normal University
Run-Han Li: South China Normal University
Xiao-Xin Li: South China Normal University
Shengyao Wang: Huazhong Agricultural University
Jiang Liu: South China Normal University
Xiao-Xuan Hong: South China Normal University
Long-Zhang Dong: South China Normal University
Shun-Li Li: South China Normal University
Ya-Qian Lan: South China Normal University

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract In modern industries, the aerobic oxidation of C(sp3)-H bonds to achieve the value-added conversion of hydrocarbons requires high temperatures and pressures, which significantly increases energy consumption and capital investment. The development of a light-driven strategy, even under natural sunlight and ambient air, is therefore of great significance. Here we develop a series of hetero-motif molecular junction photocatalysts containing two bifunctional motifs. With these materials, the reduction of O2 and oxidation of C(sp3)-H bonds can be effectively accomplished, thus realizing efficient aerobic oxidation of C(sp3)-H bonds in e.g., toluene and ethylbenzene. Especially for ethylbenzene oxidation reactions, excellent catalytic capacity (861 mmol g cat−1) is observed. In addition to the direct oxidation of C(sp3)-H bonds, CeBTTD-A can also be applied to other types of aerobic oxidation reactions highlighting their potential for industrial applications.

Date: 2024
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DOI: 10.1038/s41467-024-44833-y

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