Mono- versus Binuclear Zn-Carbamodithioate Complexes as Efficient Homogeneous Catalysts for the Cycloaddition of Epoxides with CO 2

Key Points

• This study aims to compare the catalytic efficiency of mono- and binuclear Zn-carbamodithioate complexes in the cycloaddition of epoxides with CO2.
• Synthesis of mono-metallic and bi-metallic zinc dithiocarbamate complexes.
• Characterization using 1H/13C NMR and ex situ ATR-FTIR spectroscopy.
• Comparison of catalytic performance in epoxide-CO2 reactions.
• Both mono- and bi-metallic complexes demonstrated efficient catalytic activity.
• Zinc complexes enhanced the conversion rates of epoxides with CO2.