Method:When Acetylsalicylryl chloride was synthesized,DMF as catalysis was added,and Benorilate was obtained in the presence of Polyethylene glycol(PEG) phase transfer catalyst.

• 方法:在合成乙酰水杨酰氯时以DMF为催化剂,然后用聚乙二醇(PEG)为相转移催化剂酯化而得贝诺酯。