1. Glycidyl butyrate was synthesized from racemic epichlorohydrin and butyric acid by chemical means. The purity of the refined product was over 96% and the yield was about 47%.
利用化学方法,由外消旋环氧氯丙烷出发,合成丁酸环氧丙酯,精制后可获得纯度96%以上的丁酸环氧丙酯,收率为47%。

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2. The optimal enzyme resource, porcine pancreatic lipase(PPL), was confirmed by proper test in the resolution of racemic glycidol via esterification with a fatty acid in organic media.
用正交实验方法筛选出有机相中酶促拆分环氧丙醇反应的最适酶源为猪胰脂肪酶(PPL ) 。

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3. Acetyl L carnitine was synthesized from racemic carnitine chloride and acetic acid by chemical means. The purity of the refined product was over 99% and the yield was about 96%.
采用化学方法以肉碱为底物,合成了外消旋乙酰肉碱,精制后可获得纯度99%以上的乙酰肉碱,收率为96%。

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4. Acetyl L carnitine was synthesized from racemic carnitine chloride and acetic acid by chemical means. The purity of the refined product was over 99% and the yield was about 96%.
采用化学方法以肉碱为底物,合成了外消旋乙酰肉碱,精制后可获得纯度99%以上的乙酰肉碱,收率为96%。

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