Tandem utilization of CO2 photoreduction products for the carbonylation of aryl iodides

Yuan-Sheng Xia, Meizhong Tang, Lei Zhang, Jiang Liu (), Cheng Jiang, Guang-Kuo Gao, Long-Zhang Dong, Lan-Gui Xie () and Ya-Qian Lan ()
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Yuan-Sheng Xia: Nanjing Normal University
Meizhong Tang: Nanjing Normal University
Lei Zhang: South China Normal University
Jiang Liu: Nanjing Normal University
Cheng Jiang: Nanjing Normal University
Guang-Kuo Gao: Nanjing Normal University
Long-Zhang Dong: Nanjing Normal University
Lan-Gui Xie: Nanjing Normal University
Ya-Qian Lan: Nanjing Normal University

Nature Communications, 2022, vol. 13, issue 1, 1-12

Abstract: Abstract Photocatalytic CO2 reduction reaction has been developed as an effective strategy to convert CO2 into reusable chemicals. However, the reduction products of this reaction are often of low utilization value. Herein, we effectively connect photocatalytic CO2 reduction and amino carbonylation reactions in series to reconvert inexpensive photoreduction product CO into value-added and easily isolated fine chemicals. In this tandem transformation system, we synthesize an efficient photocatalyst, NNU-55-Ni, which is transformed into nanosheets (NNU-55-Ni-NS) in situ to improve the photocatalytic CO2-to-CO activity significantly. After that, CO serving as reactant is further reconverted into organic molecules through the coupled carbonylation reactions. Especially in the carbonylation reaction of diethyltoluamide synthesis, CO conversion reaches up to 85%. Meanwhile, this tandem transformation also provides a simple and low-cost method for the 13C isotopically labeled organic molecules. This work represents an important and feasible pathway for the subsequent separation and application of CO2 photoreduction product.

Date: 2022
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DOI: 10.1038/s41467-022-30676-y

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