CO2 -Folded Single-Chain Nanoparticles as Recyclable, Improved Carboxylase Mimics.

Angewandte Chemie
Rongjin ZengQiang Yan

Abstract

Emulating the function of natural carboxylases to convert CO2 under atmospheric condition is a great challenge. Herein we report a class of CO2 -folded single-chain nanoparticles (SCNPs) that can function as recyclable, function-intensified carboxylase mimics. Lewis pair polymers containing bulky Lewis acidic and basic groups as the precursor, can bind CO2 to drive an intramolecular folding into SCNPs, in which CO2 as the folded nodes can form gas-bridged bonds. Such bridging linkages highly activate CO2 , which endows the SCNPs with extraordinary catalytic ability that can not only catalyze CO2 -insertion of C(sp3 )-H for imitating the natural enzyme's function, it can also act on non-natural carboxylation pathways for C(sp2 and sp)-H substrates. The nanocatalysts are of highly catalytic efficiency and recyclability, and can work at room temperature and near ambient CO2 condition, inspiring a new approach to sustainable C1 utilization.

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Citations

Feb 25, 2021·Macromolecular Rapid Communications·Renjie LiuQiang Yan
Apr 28, 2021·Macromolecular Rapid Communications·Xiaofeng GuoSan H Thang

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