METHODS The target compound was synthesized by the reaction of(S)-naproxen with chloromethyl ester of naproxen in the presence of K2CO3.

• 方法以(S)-萘普生为原料,与溴氯甲烷反应制得的(S)-萘普生氯甲酯,然后与萘普生钾盐反应得目标化合物。