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glycyrrhetinic acid 甘草次酸；甘草亭酸；甘草酸；甘草萃取 双语例句 1. Purpose To prepare 11 - deoxy - glycyrrhetinic acid. 目的制备 11- 脱氧甘草次酸. 2. Objective To synthesize the novel derivatives of 11 - deoxy glycyrrhetinic acid with high anti - inflammatory activities. 目的合成新型的11-脱氧甘草次酸衍生物,寻找 抗炎 活性高的药物. 3. ConclusionModified Clemmensen reduction was successfully used to prepare 11 - deoxy - glycyrrhetinic acid with high yield. 结论改进的克莱门森还原法制备 11- 脱氧甘草次酸收率较高,对环境友好,而且简便. 4. Methods Reduction of the 11 - carbonyl group of glycyrrhetinic acid was done through modified Clemmensen reaction. 方法采用改进的克莱门森反应还原甘草次酸的11位羰基. 5. Results 11 - deoxy - glycyrrhetinic acid was prepared and its structure was characterized by IR and NMR. 结果制备了 11- 脱氧甘草次酸,并通过IR、NMR等 手段对其结构进行了鉴定.
