为满足对乙酰氨基苯乙酸乙酯后续结晶分离工艺的需要，将分子蒸馏技术首次应用于同分异构体的预分离。
To meet the requirement of crystallization separation process for para-acetaminophenylacetate ethyl, molecular distillation was firstly used to separate the isomer.
该催化剂对合成联苯乙酸乙酯的反应催化活性高，联苯乙酸转化率可达92%，而且回收容易，重复使用性能好。
The catalyst exhibited high activity for synthesis of ethyl 4-biphenylacetate, with felbinac conversion of over 92%. The catalyst can be easily recovered and has good performance for repeated use.
该催化剂对合成联苯乙酸乙酯的反应催化活性高，联苯乙酸转化率可达92%，而且回收容易，重复使用性能好。
The catalyst exhibited high activity for synthesis of ethyl 4-biphenylacetate, with felbinac conversion of over 92%. The catalyst can be easily recovered and has good performance for repeated use.
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