Highly efficient synthesis of cyclic ureas from CO₂ and diamines by a pure CeO₂ catalyst using a 2-propanol solvent.

Highly efficient synthesis of cyclic ureas from CO<SUB>2</SUB> and diamines by a pure CeO<SUB>2</SUB> catalyst using a 2-propanol solvent.

Green Chemistry (2013)

Tamura M, et al.