Anionic hafnium species: an active catalytic intermediate for the coupling of epoxides with CO2?
Ralte LalrempuiaJarl UnderhaugKarl Wilhelm TörnroosErwan Le RouxPublished in: Chemical communications (Cambridge, England) (2019)
A series of hafnium complexes were structurally identified showing high activity (up to 500 h-1) in the selective alternated copolymerization of epoxides with CO2 under low pressure.