Abstract
AbstractIt remains a great challenge to convert CO2 into high value‐added products under ambient pressure. Herein, an efficient dual‐component catalytic system, i. e., Ag(I)/(C2H5)4NCl was developed for the synthesis of various β‐oxopropylcarbamates via one‐pot three‐component coupling of CO2, secondary amines and propargylic alcohols under atmospheric pressure. Besides, the strategy avoided the use of any additional ligand and basic species, and excellent selectivity was achieved with a yield of up to 98%. Additionally, 13Ccarbonyl‐labeled and control experiments were carefully performed to demonstrate the mechanism. Notably, this new method was also applied efficiently in quantitative chemical fixation of CO2, i. e., the two‐component reaction of propargylic alcohols and ammonium carbamates.
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