chiral solvent

手性溶剂

化学



双语例句

  1. Rapid choosing the proper combination of chiral stationary phases and SFC solvent modifier plays a key role for using SFC successfully in preparative scale.
    快速筛选手性固定相和调节剂是成功应用超临界流体色谱于制备过程的关键。
  2. Resolution of racemic drugs by lipase catalysis offers an excellent technology for the preparation of single-isomer chiral drugs in organic solvent.
    在有机相中,脂肪酶催化消旋体的拆分,为制备单异构体手性药物提供了重要的技术手段。
  3. Asymmetric Reduction of Acetophenone to Chiral α-Phenylethyl Alcohol Catalyzed by Saccharomyces cerevisiae in Aqueous-Organic Solvent Biphasic System
    水-有机溶剂两相体系中面包酵母不对称还原苯乙酮合成手性苯乙醇的研究
  4. Volleyball quickly read around the world and became more popular in other countries than in the United States. Rapid choosing the proper combination of chiral stationary phases and SFC solvent modifier plays a key role for using SFC successfully in preparative scale.
    排球运动很快传遍世界,而且在别的国家的流行程度甚至超过了美国。快速筛选手性固定相和调节剂是成功应用超临界流体色谱于制备过程的关键。
  5. As most of the synthetic medicine are not soluble in water, enzyme catalyzed chiral resolution to the synthetic medicine in organic solvent is important.
    由于大部分的合成药物都是水不溶性的,因此在有机溶剂中利用酶对手性药物进行光学拆分就显得更为重要。
  6. Eight chiral a-bromo-carboxylic esters were synthesized by using thionyl chloride as a solvent and a reagent, two of them are new compounds.
    以亚硫酰氯为试剂和溶剂合成了8个手性α-溴代酸酯,其中两个是新化合物。
  7. During the experiments, it is discovered that chiral phase transfer catalysis deriving from cinchonine or ephedrine hydrochloride can induce the asymmetry synthesis of mandelic acid in the existence of adscititious solvent.
    实验还发现,由辛可宁或麻黄碱衍生的手性相转移催化剂在有外加溶剂时才能诱导扁桃酸的不对称合成。
  8. Quantitative determination of the enantiomeric purity of dichlorprop by NMR spectroscopy utilizing a chiral solvent
    手性溶剂-NMR法测定2,4-滴丙酸对映体纯度的定量分析
  9. The technique of adding cyclodextrins, bile salts, other chiral selectors as well as organic solvent in MECC to improve the separation is introduced.
    并介绍了毛细管电动色谱的改良新技术,如环糊精、胆汁盐、其它旋光异构体选择剂及有机溶剂等作为添加剂的应用。
  10. Optically active ethyl ( S)-3-hydroxybutyrate, a useful chiral synthon, was prepared by stereoselective reduction of ethyl acetoacetate of the bread yeast in organic solvent.
    利用面包酵母在非水相中不对称还原乙酰乙酸乙酯,制备了光学活性的手性化合物S()-3-羟基丁酸乙酯。通过转化率和ee。
  11. They also investigate the effects of dosage of chiral reagent, reaction time, reaction temperature, polarity of solvent on conversion ratio and relative optical activity.
    研究手性试剂用量、反应时间、反应温度、溶剂极性等各种因素对转化率,以及相对旋光度的影响。
  12. AIM Distribution behavior of ofloxacin enantiomers was examined in the aqueous and organic solvent of a two-phase system containing a chiral selector, and the theory was provided for separation of racemic mixtures by solvent extraction.
    目的研究氧氟沙星对映体在手性环境中的萃取分配行为,为外消旋体膜萃取拆分提供理论和设计依据。
  13. The presented data indicates that the model is a powerful tool for modeling chiral solvent extraction system and can provide information for the engineering calculation and design.
    以上研究结果表明本文建立的模型是模拟药物对映体手性溶剂萃取体系的有力工具,并能为工程计算和设计提供参考。
  14. And just like the generation of chiral product of any reaction, asymmetric information may be affected in the MBH reaction of any one of the four components, so the activation-optically active, electrophilic reagents, catalyst and solvent.
    和生成手性产物的任何反应一样,不对称信息可能存在于影响MBH反应的四个组分的任何一个中,即光学活性的活化烯,亲电试剂、催化剂和溶剂。
  15. The effects of chiral catalyst, temperature, solvent, concentration of the reaction on the Michael addition were investigated.
    我们全面的考查了手性催化剂、温度、溶剂和底物浓度对该Michael加成反应的影响。
  16. The effect of the structure, the amount of tridentate chiral ligands, solvent and temperature on the enantioselectivity of the addition products were studied.
    研究了三齿配体的结构、用量、反应温度、溶剂对反应对映选择性的影响。
  17. In Chapters 3-6, chiral solvent extraction of four drug enantiomers was investigated.
    第三章到第六章是对四种药物对映体的手性萃取研究。