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- theanin enantiomer 茶氨酸对映体
- The enantiomer of some chiral drugs has different pharmacology activity and different applying. 手性药物对映体具有不同的药理活性和不同的用途。
- The present invention relates to the new use of modafinil and the D/L enantiomer thereof in manufacture of medicine. 本发明提供莫达芬尼及其D/L对映体在制药领域中的新用途。
- The enantiomer that rotates the plane to the right is referred to as the dextrorotatory. 使平面向右旋转的对映体,称为右旋对映体。
- The direct enantiomer separation of phenlpropanol on three Pirlk types of chiral column Whelk- O 1 , DNB-Leu, DNB-Pg had been studied. 对于手性对映体苯丙醇在3种Pirkle型手性固定相(CSP)Whelk-O1、DNB-Leu和DNB-Pg上直接分离进行了研究。
- Chiral hydrocyanation were also obtained resoluting for enantiomer hydrocyanation by physics method, chemical method and bitrasformational method. 消旋氰醇经物理、化学、生物转化拆分间接制备手性氰醇;
- Objective:To establish a method of the test for related substances of primaquine phosphate and to authenticate its enantiomer. 目的:建立磷酸伯氨喹的有关物质检查法及鉴定其对映异构体。
- Allethrolone is an important intermediate in chiral synthesis of allethrin, so it is important to find out a good way to separate the enantiomer. 烯丙醇酮是合成高效低毒杀虫剂烯丙菊酯的重要中间体之一,寻求一种好的拆分外消旋体烯丙醇酮的方法是极其重要的。
- Enantiomer accounts for quite large percentage in medicines, which has great difference in pharmacodynamics and pharmacokinetics. 摘要对映异构体在药物中占有很大比例,对映异构体药物在体内往往呈现很大药效学、药动学差异。
- The demand of this product is sharply increasing, so it is important to find out a good way to separate the enantiomer dl-menthol. 在香料行业是需求量最大的环状单萜醇,可用作日化香精的调配剂,还能充作多种食品的调味剂;
- A mixture of equal parts of an optically active isomer and its enantiomer is termed racemic and has a net rotation of plane-polarized light of zero. 对映异构体,又称对掌异构物、光学异构物或镜像异构物,不能与完全与彼此立体异构体镜像完全重叠。
- Reboxetine shows efficacy and tolerability in both short and long term treatment of depression , and the (S,S) enantiomer is the most potent. 瑞波西汀在抑郁症的短期和长期治疗中均表现出有效性和耐受性,而且(S,S)型立体异构体的抗抑郁能力最高。
- When assisted with D(+)gluconie acid d-lactone and with low COBE concentration (0.1g/100mL), 106 yeast can reduce COBE to CHBE with an enantiomer excess of more than 98%. 106 酵母以葡聚糖内酯为辅底物时;在较低的底物浓度0.;1g/100mL 时;R-构型产物的光学纯度可达98%25以上。
- By using high performance liquid chromatography(HPLC)with urea derivative as chiral stationary phase,the separations of amino acid enantiomer have been investigated. 利用脲衍生物型手性色谱柱对氨基酸对映体的拆分进行了研究,并对拆分机理进行了探讨。
- The method and technical development of acetonation of hexabasic alcohol, and its application in the synthesis of one enantiomer of drugs were reviewed. 论述六元糖醇丙酮化作用的方法和工艺进展,以及其在合成光活性单一对映体药物中的应用。
- In this article, the separation mode and application of this technique in enantiomer separation were reviewed ,and the choices of experimental condition were discussed. 本文综述了毛细管电色谱在手性分离方面的分离方式及其应用,并对影响手性分离的主要因素作了介绍。
- Chiral calixarenes are a class of important host compounds and have wide applications in chiral recognition, enantiomer separation and asymmetrical catalysis. 摘要手性杯芳烃是一类重要的主体化合物,在手性识别、对映体分离和不对称催化等方面有着广泛的用途。
- Separation and Quantitation of Theanine Enantiomers on Ligand Exchange Chromatography with Chiral Mobile Phase 配体交换色谱手性流动相法拆分和定量茶氨酸对映体
- Chiral ligand-exchange chromatography (CLEC) is one of the basic chromatography method for enantiomer separation, in which chiral ligands and metal ions are two essential elements to determine the chiral selectivity. 手性配体交换色谱法是分离手性化合物的基本方法之一,其中手性配体和金属离子是决定手性化合物分离选择性的根本因素。
- METHODS:Comprehensivelly analyzing the status of the wildlife and the planting herb resource of galantamine,and the progress of synthesizing racemized galantamine and it's enantiomer. 方法分析加兰他敏野生资源分布与人工栽培,及其外消旋体与对映体的化学合成进展状况。