反应后用二氯甲烷萃取，无水硫酸钠干燥，除去溶剂后得到纯净产物。
After reaction, the purified product was obtained through extraction with dichloromethane, drying with anhydrous sodium sulfate and desolventizing.
反应后用二氯甲烷萃取，无水硫酸钠干燥，除去溶剂后得到纯净产物。
After reaction, the purified product was obtained through extraction with dichloromethane, drying with anhydrous sodium sulfate and desolventizing.
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