Synthesis method of cyclic carbonate

The invention discloses a synthesis method of cyclic carbonate, belongs to the technical field of organic catalysis, and provides a halogen-free catalyst for catalyzing a cyclization reaction with carbon dioxide and an epoxy compound. The cyclic carbonate synthesized by the method is high in conversion rate and free of metal residues, the reaction conditions are mild, and the catalyst is easy to prepare and has wide applicability. 本发明公开了一种环状碳酸酯的合成方法，属于有机催化技术领域，本发明提供一类无卤素催化剂用于催化与二氧化碳和环氧化合物的环化反应。采用该方法合成的环状碳酸酯转化率高且无金属残留，反应条件温和，催化剂容易制备且具有广泛的适用性。