Guanidinium Salt Functionalized PEG: An Effective and Recyclable Homo-geneous Catalyst for the Synthesis of Cyclic Carbonates from CO2 and Epoxides under Solvent-Free Conditions
Xiao-Yong Dou, Jin-Quan Wang, Ya Du, Er Wang, Liang-Nian He
Synlett 2007(19): 3058-3062