Recent advances in catalytic conversion of carbon dioxide to propiolic acids over coinage-metal-based catalysts

The conversion of inexpensive, available C-1 feedstock of carbon dioxide (CO2) into value-added fine chemicals via homogeneous or heterogeneous catalysis has attracted great recent interest. Coinage-metal-based (Cu, Ag, and Au) catalysis has emerged as a synthetic strategy for a wide range of organic chemical reactions in past decades. In coinage-metal-catalyzed carboxylation, CO2 is adopted as a carboxylation reagent, while coinage-metal salts, complexes, and nanoparticles (NPs) serve as a Lewis acid catalyst to activate unsaturated chemicals, particularly alkynes. This mini-review focuses on the recent advances of coinage-metal-catalyzed carboxylation of terminal alkynes with CO2. Other respects, such as the role of bases, the influence of trace water, and solvent effects are also highlighted. (C) 2020 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.

Automated summary

This review discusses the recent advances in the carboxylation of terminal alkynes with CO2 using coinage-metal catalysis, emphasizing the role of bases, the influence of trace water, and solvent effects.