Several chiral BINADCo (III) X (BINAD= Bis (1, 1′-2-hydroxy-2′-alkoxy-3-naphthylidene)- 1, 2-cyclohexanediamine, X= OAc, CF3CO2, CCl3CO2, OTs, p-NO2PhCO2) complexes were synthesized and used to catalyze the asymmetric cycloaddition of carbon dioxide ...