chiral reagent
英
美
手性试剂
双语例句
- Chiral acetone reagent is prosperous in decreasing pollution of heavy metal;
手性酮催化剂能有效减少重金属污染； - Dimethyl-2,3-O-isopropylidene-D-tartrate is an important chiral reagent.
2,3-O-异丙叉-D-酒石酸二甲酯是一种重要的手性试剂。 - A high performance capillary eletrophoresis was established for the chiral separation of verapamil using trimethyl-β-cyclodextrin ( TM-β-CD) as chiral selective reagent.
以三甲基-β-环糊精（TM-β-CD）为手性选择剂，采用高效毛细管电泳手性分离维拉帕米。 - Enantiomeric excess is determined by~ 1H NMR spectral analysis using Eu ( hfo)_3 as chiral shift reagent.
用加入手征性位移试剂Eu（hfc）3的~1HNMR谱测定了对映体过量百分数。 - Application of baker's yeast to the asymmetric synthesis of chiral reagent
面包酵母在手性化合物不对称合成中的类型 - Asymmetric synthesis ⅲ: enantioseletive synthesis of ( r)-α-amino acids using the natural product (+)-camphor as chiral auxiliary reagent
不对称合成Ⅲ：以天然产物（十）一樟脑为手征性助剂对映选择合成（R）-α-氨基酸 - In additional the influence of the mobile phase composition, pH, the, the concentration of chiral fluorescent reagent on the separation factor are studied.
考察了流动相组成、pH值、以及手性荧光衍生化试剂的浓度等对拆分选择性的影响。 - 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。 - The study of the interaction between the enantiomer and chiral shift reagent in the determination of enantiomeric purity& betr method
对映体和手性位移试剂的作用及其纯度测定的~1H-NMR研究&BETR法 - A new chiral derivatizing reagent for the resolution of amine and alcohol drug enantiomers by HPLC
一种新的异氰酸酯类手性衍生化试剂用于药物对映体高效液相色谱拆分性能的研究 - A New Chiral Reagent for Measuring the Enantiomeric Purity of Chiral Acids
测定手性有机酸对映体纯度的新试剂 - Chapter two is concerned with the syntheses and characterization of some chiral ligands and consists of relevant mechanism of reaction ( for example, N anion acts as nucleophilic reagent and different nitriles act as reacting substance).
第二章讨论了若干手性配体的合成与结构，并包含了相关反应的机理探讨（例如N~-做为亲核试剂、不同的腈作为反应底物）。 - Using 1,1 ′-binaphthol after resolution as starting material, a new chiral reagent was synthesized. The whole work was made up of 3 steps of ester condensation, coupling reaction and complexation reaction, and the over-all yield reached 74%.
以经过拆分后的联萘酚为起始原料，通过酯化反应，偶联反应和络合反应等3步反应合成了一种新型的手性催化剂，总收率达到74%。 - 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。 - Methods ( R)-3-Chloro-1,2-propanediol was prepared by the reaction kinetics of the hydrolysis resolution of racemic epichlorohydrin with chiral Salen-Co ⅲ complexes, and then it was used as chiral reagent to synthesize levodropropizine, which is a famous anti-tussis drug.
方法以自制手性Salen-CoⅢ催化剂水解外消旋环氧氯丙烷得高光学纯度的中间体（R）-3-氯-1,2-丙二醇，该中间体再与N-苯基哌嗪反应合成镇咳药左羟丙哌嗪。 - The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.
之后，经引入手性试剂，双键还原，氢解，水解酯基得到目标产物的合成路线。 - In this paper, two series of new chiral dopants were designed and synthesized by derivative of chiral mandelic acid as a chiral reagent, which is easily obtained and low-cost.
本文以价廉易得的扁桃酸衍生物为手性中心试剂设计并合成了两个系列新型手性添加剂，确定了较为合理的反应条件。 - D (-)-tartaric acid, mainly used in chemical and pharmacy industry, is an important chiral auxiliary reagent, resolving reagent, food additive and nutritional feed additive.
D（-）-酒石酸主要应用于化工和制药行业，是重要的手性辅助剂、医药拆分剂、手性食品添加剂和手性营养物质添加剂。 - Among so many chiral separation methods, capillary electrophoresis ( CE) was applied to chiral separation by many researchers because of its short analysis time, high resolving power and less reagent consumption.
众多手性拆分方法中，毛细管电泳（CE）技术因其分析速度快、分离能力强、试剂消耗少等优点而被广大研究者广泛应用。