Zn(salphen) complexes are reported as effective, cheap, robust and relatively green catalysts for the cycloaddition of carbon dioxide to terminal epoxides to afford cyclic carbonates in good yields.
![Efficient carbonate synthesis under mild conditions through cycloaddition of carbon dioxide to oxiranes using a Zn(salphen) catalyst](https://www.iciq.org/wp-content/uploads/2014/03/Efficient-carbonate-synthesis_4580.gif)
Zn(salphen) complexes are reported as effective, cheap, robust and relatively green catalysts for the cycloaddition of carbon dioxide to terminal epoxides to afford cyclic carbonates in good yields.