1. At the same time, this paper also split the R-isomer of racemic to change and re-recovery.
同时本论文也对拆分后的R型异构体进行转变消旋而重回收。
youdao
2. Mechanisms of the resolution of some of the racemic compounds on these bounded phases were proposed.
本文对部分化合物对映异构体的拆分机制进行了初步探讨。
youdao
3. Presently, most of the catalysts used for the resolution of racemic mixtures are hydrolases, especially lipases.
目前，用于拆分外消旋化合物的酶多数是水解酶，而且绝大多数为脂肪酶。
youdao
4. In many cases, racemic drug's single antipode has different curative effect, sometimes it even has adverse action.
在许多情况下，外消旋药物中的单一对映体分别具有不同的疗效，有的甚至有相反的作用。
youdao
5. When considering biocatalysis, terms like kinetic racemic resolution or chiral syntheses immediately come to mind.
提到生物催化，我们通常会想到外消旋物的动力学拆分和手性合成。
youdao
6. The invention discloses a method for preparing racemic selenium-methyl selenocysteine by using aldehyde catalysis.
本发明公开了一种利用醛催化制备消旋硒-甲基硒代半胱氨酸的方法。
youdao
7. The amidocarbonylation reaction conditions were optimized and 66.4% isolated yield of racemic N-acetylleucine were obtained.
文中对酰胺羰基化反应条件进行了优化，分离得到消旋N-乙酰基亮氨酸产率为66.4%。
youdao
8. The membranes were then used in the electrodialysis resolution process to separate DL-4-hydroxyphenylglycine racemic mixture.
将其用于拆分DL-对羟基苯甘氨酸外消旋混合物的电渗析过程。
youdao
9. To develop a practical process for(R)-2-octanol production from racemic 2-octanol, a two step microbial reaction was investigated.
建立了一种新的制备手性2-辛醇的方法——双菌氧化还原耦联转化外消旋2-辛醇制备（R）-2-辛醇。
youdao
10. Use of stereoselective or stereospecific synthetic methods or separation of racemic mixtures can be used to obtain individual optical isomers.
可以使用立体选择或立体专一的合成方法，或者外消旋混合物的分离，来获得单独的光学异构体。
youdao
11. Optical resolution of racemic menthol has been efficiently achieved by lipase catalyzed enantioselective esterification in an organic solvent.
利用脂肪酶在有机溶剂中催化对映选择性酯化反应对外消旋薄荷醇进行了有效的光学拆分。
youdao
12. The prepared polymers were applied as the liquid chromatographic chiral stationary phase to test their resolution ability for racemic carnitine hydrochloride.
将所得聚合物用作高效液相色谱固定相，研究了它们对外消旋卡尼丁盐酸盐的拆分能力。
youdao
13. The main route for obtaining optically active alcohols is resolution of racemic alcohols catalyzed by enzyme in organic solvents by the esterification reaction.
有机相中应用酯化反应，酶法催化拆分消旋醇是获得光学活性醇的重要途径。
youdao
14. The method has the advantages of convenient operation and low cost, and is suitable for the industrialized production of the racemic selenium-methyl selenocysteine.
该方法操作方便、成本较低、适合工业化生产消旋硒-甲基硒代半胱氨酸。
youdao
15. The dynamic kinetic resolution (DKR) of racemic compounds provides one of the most convenient and efficient routes to a wide range of enantiomerically enriched molecules.
动态动力学拆分是合成具有光学活性化合物最方便和最有效的方法之一。
youdao
16. 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%.
17. In addition, the applications of enzyme-membrane bioreactors, especially in the resolution of racemic mixtures and the treatment of wastewater, have also been briefly discussed.
此外，还对酶膜生物反应器，尤其是其在对外消旋混合物手性拆分以及污水处理方面的应用作了简要的介绍。
youdao
18. 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%.
19. In this paper, we expediently, simply synthesized the racemic HPBA, prepared (r) -hpba which using chemical resolution and were engaged in studying the asymmetric synthesis of (?)
20. 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 ） 。
youdao
21. In conclusion, the new chiral derivatizing agent, AFGIT, is not only useful to resolve the racemic amine drugs or amino acids but also to enhance their detection sensitivity by the developed methods.
22. The resolution of racemic compounds by crural inclusion complexation reported in 47 references is reviewed with 47 references. The chiral recognition principles in inclusion complex is also discussed.
23. Racemic ketoprofen was separated when the polymer was used as a stationary phase of high performance liquid chromatography. The mixture of ketoprofen and ibuprofen were also separated by this polymer.
24. Racemic ketoprofen was separated when the polymer was used as a stationary phase of high performance liquid chromatography. The mixture of ketoprofen and ibuprofen were also separated by this polymer.
