Application of CO2 as a C1-Synthon in Organic Chemistry: II. Catalytic Synthesis of Cyclic Carbonates (Carbamates) from CO2 and Epoxides (Aziridines)статья
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Аннотация:Carbon dioxide is a cheap, easily available, and practically inexhaustible source of synthetic carbon(C1-synthon). Among various transformations of CO2, the synthesis of cyclic carbonates from epoxides and cycliccarbamates from aziridines can be referred to as priority areas in the development of contemporary chemical syn-thesis and catalysis. Cyclic carbonates found wide application in modern industry (electrolytes, solvents, reagents,polymers) and their use and production will be constantly increased. The development of effective catalytic pro-cesses that would allow the synthesis of carbonates under mild conditions (atmospheric pressure of CO2 or lower,temperature 25°C) and low loads of durable and affordable catalysts is at the forefront of research. In the presentreview we analyze the existing directions of research on the catalytic systems based earth-abundant metals Al3+,Fe 2+(3+), and Zn2+ for the synthesis of cyclic carbonates from epoxides and cyclic carbamates from aziridines.
