abstract |
The present invention relates to an iron complex catalyst composed of homogeneous Fe-iminopyridine complexes of the formula (2), which is used to prepare a cyclic carbonate by a cyclization addition reaction of oxide and CO2. Formula (2) [Fe(IPR)3]X 2 here, IP = 2-iminopyridine R = EtOH, Mes(mesityl), Ph, Cy(cyclohexyl), Pr(propyl), Pr(OH) 2 X = Cl, Br, I |