对映异构体

薄层色谱法检查磷酸伯氨喹的有关物质及对映异构体的研究

Study on the Test for Related Substances of Primaquine Phosphate by TLC and Its Enantiomer

薄层色谱中主斑点上方杂质斑点经鉴定为其对映异构体。

The spot above the main spot was authenticated as its enantiomer .

非对映异构体~（13）CNMR化学位移不等性研究

Studies on the ￣( 13 ) C NMR Chemical Shift Differences Between Diastereomers

通过手性HPLC测定了两种非对映异构体的比例。

The ratio of two diastereoisomers was determined by chiral HPLC .

HPLC法直接拆分包甲素类似物对映异构体

Direct Enantiomeric Separation of Analogs of Baogongteng A by HPLC

对映异构体的HPLC分离

Separation of enantiomers by HPLC

描述了在批式反应器和连续流搅拌反应器（CSTR）中酶动力学拆分对映异构体的不同之处。

The difference between a continuous stirred tank reactor ( CSTR ) and a batch reactor was analyzed for the enzymatic kinetic resolution of enantiomers .

利用正相高效液相色谱法在一种纤维素衍生物手性固定相（OB-H）上成功分离了一系列（7个）的R基-3-吡啶基亚砜的对映异构体。

A series of racemic R-3-pyridyl sulfoxides were successfully separated by a cellulose derivative based chiral stationary phase ( OB-H ) under normal-phase high performance liquid chromatography ( HPLC ) conditions .

结果表明，所研究的氨基酸在此波段有特征吸收峰，THz时域光谱能够鉴别对映异构体和他们的外消旋化合物。

We found six amino acids showed distinct fingerprint spectra in the THz region . Our result also suggests that we can identify the enantiomers and their racemic compounds by measuring the absorption spectra in the THz region .

研究表明，用DMTA进行拆分时，在乙酸乙酯中可析出非对映异构体盐，对其进行重结晶和解离后得到光学纯西布曲明。

Among them , when using DMTA as resolving agent , the salt of non-enantiomer can be facilely precipitated in ethyl acetate . Followed by recrystallization and dissociation , optically pure sibutramine was obtained .

利用纤维素衍生物手性固定相（ChiralcelOJ-H手性柱），建立了氰戊菊酯4个对映异构体的正相高效液相色谱拆分方法。

A method for chiral separation of four fenvalerate enantiomers was developed by high performance liquid chromatography on the chiral stationary of cellulose derivative ( CHIRALCEL OJ-H ) .

不是对映异构体的非对映异构体也属于这一类。

Diastereomers that are not enantiomers also fall into this category .

DL-（±）蛋氨酸对映异构体的拆分及成品中D-（-）蛋氨酸的测定

Separation and Determination of Enantiomers of DL - (±) methionine by RP-HPLC

发现了分离非对映异构体的重结晶溶剂。

Furthermore , we discovered the recrystallization solvent for separation of the diastereomer .

高效毛细管电泳拆分布洛芬对映异构体

Chiral Resolution of Ibuprofen by High Performance Capillary Electrophoresis

反相-高效液相色谱手性流动相添加剂法测定酸奶及含乳饮料中乳酸对映异构体

The Enantiomeric Separation of Lactic Acid in Yoghourt and Milk Beverage by RP-HPLC

吡喹酮对映异构体与血浆蛋白结合的立体选择性

The stereoselective binding of praziquantel enantiomers to plasma proteins

缬沙坦对映异构体的吸收机制的在文献中还未有报道。

The researches of valsartan enantiomers absorption and metabolism had not been reported .

表面活性剂包衣酶在有机溶剂中拆分对映异构体

Resolution of enantiomers by surfactant-coated enzymes in organic solvents

光谱法研究萘普生对映异构体的手性识别

Spectrometry Study of Chiral Discrimination for the Naproxen Enantiomers

手性农药对映异构体的分析

The Enantiomers ' Analysis of Chiral Agricultural Chemicals

羟甲芬太尼对映异构体的镇痛活性及对阿片受体的选择性

Analgesic activity and selectivity for opioid receptors of

β-砜基黄原酸酯制备中的介质效应及其非对映异构体的确证

Medium Effect on the Preparation of β Sulfonyl Xanthates and Configurational Assignments of the Diastereoisomeric Xanthates

对映异构体的高效毛细管电泳分离与测定

Enantiomeric Separation by High-performance Capillary Electrophoresis

吡喹酮对映异构体在诱导和未诱导大鼠肝微粒体内代谢的立体选择性

Stereoselective metabolism of praziquantel enantiomers in rat liver microsomes with and without of cytochrome P450 inducers

手性衍生-高效液相色谱法拆分菌体细胞壁中α，ε-二氨基庚二酸非对映异构体

Separation of α,ε - diaminopimelic acid diastereomers in bacteria cell wall by HPLC with chiral derivatization

衍生化纤维素手性固定相分离硫代和硒代甘油醚对映异构体

Enantiomer Separation of Glycerin Sulfides and Glycerin Selenides with a Chiral Stationary Phase of Cellulose Derivative

抗痴呆症药中加兰他敏对映异构体的毛细管电泳分离及药物质量控制

Enantiomeric Separation of Galantamine in Drug for Alzheimer 's Disease and Its Quality Control by Capillary Electrophoresis

创建了亚叶酸非对映异构体的高效快速分离方法。

( 4 ) Developed a high efficiency and fast method for separation of folinic acid diastereomeric .

目的：建立左旋麻黄碱中对映异构体杂质检查的毛细管电泳方法。

Objective : To develop a method for purity test and enantioseparation of ephedrine levorotatory by capillary electrophoresis .