By adjusting the reaction temperature or using different cyclization methods, condensation is carried out, and indanone dimmer and indanone trimer can be obtained respectively.
然后进行缩合，通过调节反应温度或者使用不同的环化方法，可分别得到茚酮的二聚物及三聚物。
Large amounts of methanol and ethanol exist in the effluent of the condensation and cyclization reaction during the trimethoprim synthesis process. A new recovery process was evaluated experimentally.
甲氧苄氨嘧啶合成过程产生大量含甲醇和乙醇的废液，实验研究了新的回收工艺。
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