TY - SER AU - Song, Jinliang AU - Zhang, Binbin AU - Wu, Suxiang AU - Wang, Qian TI - Synthesis of Unsymmetrical Organic Carbonates Catalyzed by a Sulfonic Acid-Functionalized Zirconium Phosphonate KW - Diethyl Carbonate KW - Mannich-Type Reaction KW - Transesterification ER -