chiral

Early Earth seems to have been covered in a soup of organic molecules with no chiral preference.

The results show that this chiral stationary phase exhibits good stereoselectivity to the series of racemic sulfoxide enantiomers.

Cetirizine hydrochloride, an antihistamine, is chiral whose (R)-( )-enantiomer has no biological activity.

Dynamic resolution technology is one of the main approaches to obtain the single chiral compounds and has attracted much research interest.

The results indicate that this method is rapid, simple, accurate and suitable for the chiral separation of pitvatin calcium enantiomers.

Finding an efficient method to synthesize the chiral dihydroxyacenaphthene and developing its applying has still been a novel challenging.

Asymmetric autocatalysis occurs when a chiral product operates as an asymmetric catalyst for its own production.

Cyclopenta(cyclohexane)pyridin-ol was an important chiral intermediate and widely used in organic synthesis.

Department of the device chiral pressure can be hidden in the remote interior to make it more compact and portable.

Molecular modeling methods and applications of these methods in the investigation of chiral recognition are reviewed.

The (dynamic) kinetic resolution of raceme is one of the important ways in the synthesis of chiral compounds.

Stereoselectivity is the key affecting whether a biocatalyst can be effectively applied to chiral synthesis.

In this study, the chiral selectivity of arginase was investigated by means of molecular dynamics and molecular docking.

The most commonly used quark models are the constituent quark models, and the chiral quark model is one of them.

In the meanwhile, choosing appropriate plants to ameliorate the environment polluted by chiral compounds is of practical significance.

So the chiral separation using CDs derivatives is one of the challenging subjects.

The problems in the environmental study of chiral pesticides which should be noticed were summarized.

A practical chiral capillary electrophoresis method was established for the determination of the(R)-enantiomer in zolmitriptan.

Applications of these planar chiral ligands in asymmetric catalysis are reviewed.

The research of this project has important theory and practical value to chiral pharmaceutical synthesis and material science.

Separation of chiral transformation products greatly complements the understanding of stereochemistry of chiral pollutants.

Meanwhile, the chiral recognition mechanisms of the isomers ars introduced briefly. Finally, some future trends are briefly addressed.

The wave absorption chiral concrete can be improved in both mechanical performance and wave absorptive performance.

As the selective biodegradation and bioaccumulation, chiral pesticides have special fates in environment.

The synthesis of many high activity chiral metallocene catalysts greatly impels the research of asymmetric synthesis.

Moreover chiral aza crown others can be used to chiral recognition and chiral separation and have potentials for wide applications.

And the chiral recognition mechanism for amlodipine was discussed by the chromatographic retention and thermodynamic parameters.

The introduction includes analyzers, analytical condition, chiral stationary phases and their chemical structure.

Making comprehensive use of biotechnology, the company specializes in manufacturing and selling C-4series organic acids and chiral products.

we test the Polarimetry activity to determine whether the compound is Chiral Compounds.

Ligand exchange chromatography with chiral mobile phases was established for the separation of theanine enantiomers.

This method provides a rapid, sensitive and convenient way of analyzing and determining the enantiomers of chiral compounds.

The progress of the applications of electrospray ionization mass spectrometry(ESI-MS) in chiral recognition is reviewed.

Hydrolytic kinetic resolution(HKR) is an effective way for synthesis of chiral epichlorohydrin.

HPLC method with chiral mobile phase additive was established for the determination of isomers of benazepril hydrochloride.

CONCLUSION It is feasible for enantioselective separation of propranolol enantiomers under appropriate chiral extractions.

Chiral, single enantiomer pharmaceuticals have become increasingly more important.

The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.

Stars sometimes emit polarized light that selectively breaks apart one version or the other of a chiral molecule.

Objective To research the effects of a chiral aminoalcohol in the asymmetric allylation of acylhydrazones.

The separation of enantiomer in chiral drugs is an important subject of research in pharmaceutical field.

It provides a glimpse into the vast chiral lanthanide complexes that are potential catalysts in MPV reactions.

Chiral aromatic alcohols have important applications on pharmaceutical industry.

The invention relates to a method for derivatizing and separating and determining Pregabalin and chiral isomers thereof.

The chemical methods include chiral auxiliary's induction, chiral oxidant'soxidation, chiral resolution, and enantioselective catalysis.

By means of elementary analysis, UV-Vis, IR, CD spectrum, and 1H-NMR, the chiral Zn porphyrin was character ed.

and the compound VII is reduced to a compound IX ezetimibe by a borane chiral reducing agent.

The structural character of the samples that influences chiral recognition was discussed.

The chiral soliton model predicted the existence of the pentaquark state .

The thermodynamic and kinetic in the chiral separation process on the molecularly imprinted monolithic column were studied.

High performance liquid chromatography is a technique applicable to the isolation of chiral pesticide.

When considering biocatalysis, terms like kinetic racemic resolution or chiral syntheses immediately come to mind.

Synthetic methods of two C3 chiral synthons [epichlorohydrin (ECH) and glycidol ( GLD )] was introduced.

New optically active tetra-ortho-substituted biphenyl chiral dopants for nematic liquid crystals are described.

Therefore, the preparation of chiral sulfoxides has significant academic and application value.

Chiral aromatic alcohols were important building blocks for chiral pharmaceuticals.

The advantages and disadvantages of different polymer-based Chiral stationary phases are discussed.

In this paper the recognition of amino acids, saccharides, peptides, proteins and chiral drugs by calixarenes is reviewed.

OBJECTIVE: A HPCE method was proposed for the chiral separation of metoprolol, esmolol and verapamil.

The research progress on applications of MIP in chiral drug separation and clinical drug analysis in the recent years was expounded.

The optically active bisphosphinylalkanes thus obtainable are suitable for use as ligands for preparing chiral transition-metal catalysts.

Methods of chiral recognition as well as some common chiral selectors are summarized.

The invention discloses a method for preparing biotin-intermediate lactone by enzyme chiral oxidation.

Two types of C2 symmetric chiral ligands, namely, chiral Schiff bases and chiral amino alcohol, have been prepared.

Enantiomer fraction (EF) is used to investigate the atmospheric transport and exchange of chiral pesticides with soil and water.

The aim of the invention is to provide a polymerizable chiral compound which has strong HTP and low melting point.

The advantages of using a designed chiral library in primary screening and the information one should obtain are discussed.

The structural characterization of chiral porphyrin as host molecule in host-guest chemistry is analyzed.

Chiral dopants play an important role in liquid crystal displays, which can convert nematic phase to cholesteric phase.

Celiprolol enantiomer was resolved directly by using normal phase HPLC with urea derivative as chiral stationary phase (CSP).

ESSENTIAL OILS. ANALYSIS BY GAS CHROMATOGRAPHY ON CAPILLARY CHIRAL COLUMN. GENERAL METHOD.

The chiral sulfonamide organic macromolecule catalyst has a structural general formula (I).

This article reviews the present brush-type chiral stationary phases and their application in chiral resolution.

The problems existing in industrial application of biocatalytic preparation of chiral compounds are also discussed.

A chiral HPLC method is used for quantitative determination of the enantiomer of CHENICAL-X.

The paper introduces this method's principle, applying and development by resolving some chiral drugs.

Chiral sulfoxides may be obtained by biological and chemical methods.

A new concept to realize negative refractive index in non-resonance spectrum using chiral meta material is proposed.

Zaozhuang Chiral Pharmaceutical Chemicals Co. , Ltd.

Objective To establish method for chiral separation and inspect the purity of Zolmitriptan.

Objective: Expound chirality with chiral drugs concept and actual meaning of research.

Simulated moving bed chromatography(SMBC) is widely accepted as the most powerful technology in the field of chiral separations.

The invention provides the polymerizable chiral compound represented by a general formula (I).

Now, the most important thing is to obtain one of the chiral drug enantiomers.

Raceme resolution is the main route for preparation of chiral compounds.

aldoses with five carbon atoms, the pentoses, have three chiral carbon atoms and comprise the second most common group of aldoses.

cyclodextrin derivatives have chiral recognition ability for R- and S-naproxen.

The research and development of the chiral drugs made great progress and become the focus of new drug R&D.

This article reviews the present applications of cyclodextrins in chiral drug resolution.

The methodology opens a window to the synthesis of chiral tertiary amines starting from readily available enamines .

The introduction of chiral center and lateral fluorines enable the liquid crystals to give unusual smectic textures.

L- pentoses as high-value rare sugar are used as important chiral lead molecules for the synthesis of antiviral drugs.

This paper discusses the atomic structure of carbon nanotube and analyses the influence of chiral on the characteristics of carbon nanotube.

Because of its high efficiency and high enantioselectivity, the biocatalysis has become one of the most important chiral synthesis methods.

The most efficient way to prepare chiral sulfoxides is the asymmetric oxidation of prochiral sulfides catalyzed by chiral metal complexes.

The paper summarized three main methods of enzymatic preparing chiral lactones and their applica. . .

The most efficient way to generate chiral sulfoxides is asymmetric oxidation of prochiral sulfides catalyzed by chiral metal complexes.

There exists a close relationship between plants and chiral compounds.

Now some chiral fluorescent sensor which can recognise these compounds has been developed.

A chiral anionic amphiphilic compound derived from D-valine was synthesized according to the literature.

Recently, planar chiral [2. 2]paracyclophane ligands attract more interests in asymmetric catalytic reactions.

The research about chiral separation of medicine by enzyme catalysis in organic solven. . .

Methods The S-(-)-timolol is prepared from a chiral synthon D-mannitol.

also introduced the application in chiral pesticides like herbicide and fungicide in 30 years.

The first part discribes highly efficient chiral PNNP ligand for asymmetric transfer hydrogenation of aromatic ketones in water.

Chiral drugs are more important in new drugs.

chiral bonded filler is used in chiral resolution of corresponding isomer.

The progress in synthesis of chiral mandelic acid and resolution of racemic mandelic acid are reviewed.

With the development of the asymmetric synthesis, the study of chiral drug is to advance rapidly.

The synthesis of chiral ligands(or catalysts) is a very important part in the research of asymmetric catalysis.

We want to buy Acid, Fine Chemicals, Amino Acids, Fine Chemicals, Intermediates, Chiral Intermediates Acid.

Because of large diameter, doping of nitrogen atoms make a little impact on the chiral (8, 4)CNTs.

The problem for now is that Church's entire lab is tuned to the wrong chiral setting.

This review describes the development of chiral diamines in recent years.

the obtained chiral bicyclo (4. 4. 0) dual-boric acid ester is characterized by notable hydrolysis stability.

This is an overall review about the development of synthesis and applications of chiral crown ether compounds.

Objective To study the interaction of the ibuprofen enantiomers during the chiral inversion.

The aim of this research is to study the stereoselectivity of photocyclization reaction in the act of chiral template.

More and more catalytic asymmetric reactions are applied to the synthesis of chiral pesticides in the last ten years.

Synthesis of a Polymer(fiber)-Supported Chiral Amino Alcohol and Its Application to Enantioselective Addition of Diethylzinc to Benzaldehyde

To immobilise or not to immobilise Considerations when using enzymes for the preparation of chiral intermediates

Synthesis of a Recyclable Chiral Ligand and Its Catalytic Performance for Asymmetric Dihydroxylation of Olefins

Preparation of New Chiral Capillary Column and Study of its Chromatographic Performance

Enantiomeric Separation of Two Acidic Drugs by Capillary Electrophoresis Using Fradiomycin as the Chiral Selector

Enantioselective separation of an intermediate enantiomer using immobilized and coated cellulose chiral stationary phases

Synthesis of new chiral phosphorus ligands with a spiro backbone and their application in asymmetric catalysis

Preparation of a Bis-Quinine Bonded Chiral Stationary Phase and Its Chiral Resolution Ability

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

Preparation of New Chiral Capillary Column and Investigation of Its Chromatographic Performance

Preparation of Molecularly Imprinted Chiral Monolithic Column and Its Applications for Separation of Diastereomers

Preparation of Molecularly Imprinted Chiral Monolithic Column and Its Applications for Separation of Diastereomers

Study of Chiral Separation of Pseudoephedrine by High-Performance Capillary Zone Electrophoresis

Chiral Separation of Enantiomers of Synthesized Amlodipine and Its Intermediate by Capillary Electrophoresis

Asymmetric hydrogenation of acetophenone and derivatives catalyzed by chiral diamine modified nickel - triphenylphosphine complex

Study of Chiral Separation of Chloramphenicol Analogs by High Performance Liquid Chromatography

Preparation of Chiral Stationary Phases Coated Using Cellulose Derivatives and Study of Chiral Resolution in HPLC

Preparation of L-Phenylalanine Chiral Stationary Phase for Ligand Exchange Chromatography and Its Applications

Preparation of Norvancomycin-Bonded Chiral Silica Monolithic Column for Capillary Electrochromatography and Its Applications

Separation of chlorobenzyltetrahydroberberine enantiomers by capillary electrophoresis and their chiral pharmacokinetic studies in rabbits

Preparation of Silica-bonded Bovine Serum Albumin Chiral Monolithic Column for Enantiomeric Separation by Capillary Electrochromatography

Preparation of Silica-bonded Bovine Serum Albumin Chiral Monolithic Column for Enantiomeric Separation by Capillary Electrochromatography

Chiral Separations by Ligand-Exchange Micellar Electrokinetic Chromatography and Microemulsion Electrokinetic Chromatography

Interactions between the enantiomers of chiral drugs on the pharmacodynamics and pharmacokinetics

Synthesis and Characterization of New Chiral Lanthanide Complexes and Application in Catalytic Asymmetric Synthesis

Analysis of the Linear Sampling Method for Boundary Reconstruction of Chiral Obstacle in Electromagnetic Scattering Problems

Synthesis of Chiral Diamine Ligands Derived from Cinchona Alkaloids and Their Catalytic Performance for Asymmetric Transfer Hydrogenation

Synthesis and Fluorescence of Chiral Amino Alcohol Lanthanide Complexes and Their Catalytic Asymmetric Hydrogenation for Aromatic Ketones

Enantiomer Separation and Determination of Amphetamines with Chiral Derivatization by Gas Chromatography-Mass Spectrometry

Study of Enantiomeric Separation of DL-Amino Acids on L-Isoleucine-Type Chiral-Ligand-Exchange Stationary Phase

Chiral Separation of Ranolazine Hydrochloride Enantiomers by Reversed- phase High Performance Liquid Chromatography

Chiral Separation of Ranolazine Hydrochloride Enantiomers by Reversed- phase High Performance Liquid Chromatography

Design, Synthesis and Optical Properties of a New Type of Chiral Molecular Square with Double Helical Structure

Preparation of kanamycin chiral stationary phase and study of enantiomer separation

asymmetric hydrosilation of acetophenone catalyzed by a chiral thiazolidine - rhodium complex

Determination of NG-nitro-arginine enantiomers in biological samples with chiral ligand exchange method by capillary electrochromatography

Structure Characterization and Resolution of Spiro-cyclopropane Compounds Containing Multiple Chiral Centers

Chiral Separation by Capillary Electrochromatography with PhysicallyAdsorbed Stationary Phase and Dynamically Modified Stationary Phase

Chiral Separation and Laser-Induced Fluorescence Detection of Propranolol Enantiomers by Capillary Electrophoresis

Preparation of Vancomycin Chiral Stationary Phase and Study of Racemate Separation

The Application Research of Chiral Dopants Used in Liquid Crystal which Involves Isosorbide Structure

Extraction and Separation of Terbutaline Enantiomorph with a Chiral Selector

Chiral Molecular Recognition of Cyclodextrin to Tropine by Electrospray Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Studies on the Synthesis and Characterization of a Novel Chiral Metalloporphyrin

Methodology study of the content determination of chiral impurity in the S-Zopiclone

Simultaneous Chiral Separation of Two Pairs of Enantiomers Using Series Column of Molecular Imprinted Phase

Chiral Separation on Naproxen and Determination of Chromatography Equilibrium Constant Using Molecular Imprinting

Application of the Quantitation with Curve-Fitting Method on Chiral Separation by High Performance Liquid Chromatography

Capillary electrochromatography and its application in chiral separation of drugs

Chiral Schiff Base Ligands Containing Ferrocene and Pyridine Units for Ruthenium-Catalyzed Asymmetric Transfer Hydrogenation

Chiral Separation and Quantitative Analysis of Ofloxacin in Ofloxacin Tablet and Ophthalmic Solution by Capillary Electrophoresis

Nonlinear Optical Properties and Conformational Study on Molecular Recognition of Imidazole Derivatives by Chiral Zinc Porphyrins

Resolution of propranolol hydrochloride using chiral selector impregnated thin-layer chromatography

Mesomorphic Properties of Liquid Crystalline Elastomers Containing Chiral Crosslinking Agent

Experimental study on tumor angiogenesis inhibition effect of new angiogenesis peptide (chiral preparation)

Molecular Modeling and Its Applications in Chiral Discrimination Mechanism

Advances in Asymmetric Hydrosilylation of Prochiral Carbonyl Compounds Catalyzed by Chiral Transition Metal Complexes

Direct Chromatography Resolution of Six Pharmaceutical Racemates on a Vancomycin Chiral Stationary Phase

Preparation of a New GC Chiral Stationary Phase and Its Application

Chiral separation of sertraline hydrochloride with its isomers by CE

Study of low-frequency shielding characteristics of chiral spherical shell

Chiral separation of ramosetron hydrochloride by high performance capillary electrophoresis

Application of Molecular Imprinting to Chiral Separation in Capillary Electrochromatography

Synthesis of Chiral P, N-Ligands and Catalytic Application of their Transition Metal Complexes in Asymmetric Transfer Hydrogenation

Application of Chiral Ferrocene Ligands in Asymmetric Palladium Catalyzed Allylic Substitution Reactions

Organocatalytic Asymmetric Epoxidation of Olefins Catalyzed by Chiral Ketones Derived from Carbohydrates

Asymmetric Transfer Hydrogenation of Acetophenone Catalyzed by Chiral Heterogeneous Catalyst of Noble Metal-Chitosan

Resolution of chlorthalidone enantiomers by high performance liquid chromatography with chiral mobile phase additive

Preparation of Bovine Serum Albumin Chiral Stationary Phase with a Hydrophilic Film

Preparation of Supported Proline-derived Chiral Catalysts and Their Catalytic Application in Asymmetric Aldol Reactions

Synthesis of a Novel Soluble Polymer-bound Chiral Ligand and It's Application in Catalytic Asymmetric Dihydroxylation of Olefins

Progress in Research on Application of High Performance Liquid Chromatography Chiral Pesticide Residue Analysis and Separation

Preparation of L-Hydroxyproline Chiral Stationary Phase for Ligand Exchange Chromatography and Their Applications

Uniformly Sized Molecularly Imprinted Polymers: Their Applications to Chiral Separation and Bioanalysis

Qualitative and quantitative resolution of hyphenated overlapping chromatographic peaks of chiral drugs

Separation of fluoxetine hydrochloride enantiomers on cyclodextrin chiral stationary phase

Preparation of heterogeneous chiral catalysts and their application to asymmetric hydrogenation

Chiral oxazoline ligands and its application in asymmetric catalytic reactions

Synthesis of new chiral phosphine ligands and their applications in the asymmetric hydroformylation of styrene

Chiral technologies. Broad toolboxes and alliances for a better exploitation of the markets potential

Advance in search for stereoselectivity in pharmacokinetics and its effect factors of chiral drugs

Enantiomeric Separation of Tropine Acid on High Performance Liquid Chromatography with Cellulose Derivatives as Chiral Column

Determination of Enantiomer Excess Value of Chiral Tetrahedrane-type Metal Cluster Using High Performance Liquid Chromatography Method

Application of Cyclodextrin and Cyclodextrin Derivatives for Chiral Separation in Chromatography

Preparation of Chiral Alcohol by Stereoselective Reduction of Acetophenone and Chloroacetophenone with Yeast Cells

Catalytic properties of immobilized lipases in non-aqueous medium and their applications in resolution and synthesis of chiral compounds

Study on the enantiomer separation of cetirizine dihydrochloride using proteinate- and amylose-based chiral stationary phase

Studies on Regioselective Transformation of Auxiliary Group in Chiral Spiro - cyclopropane Derivatives

Second harmonic theory of two coupled oscillators in chiral molecular media

Investigation of Relationship Between Aromatic Chiral Amino Acids and Age by High Performance Capillary Electrophoresis

Application of Ruthenium - Chiral Phosphine - Catalyst in Asymmetric Hydrogenation

Research advances in and application of chiral phase-transfer catalysts

Chiral Separation and Quantitative Analysis of Citalopram by Capillary Electrophoresis with Dextrin as Chiral Additive

Capillary Electrophoresis Experiment of Chiral Separation of Pharmaceutical Racemates Using L-Leucine

Enantiomeric Resolution of Tebuconazole on Immobilized Cellulose Chiral Stationary Phase

Synthesis and Characterization of Polystyrene-Supported Chiral Quaternary Ammonium Salts

Antibodies as Tailor-Made Chiral Selectors: an Interdisciplinary Approach to Enantiomer Separation and Detection

Recent developments and new applications of chiral macromolecular ligand-metal complexes in asymmetric catalysis

Application of High Performance Liquid Chromatography Stationary Phase Coated by Surfactant to Chiral Separation

Direct chiral separation of racemic ranolazine by high performance liquid chromatography with chiral stationary phase

High Performance Liquid Chromatographic Chiral Separation Using Vancomycin as Chiral Mobile Phase Additive

Electrospray ionization mass spectrometry in chiral recognition: its applications

Chiral Separation by Capillary Electrochromatography on Stationary Phase Adsorbed with Protein

Chiral Separation of Disopyramide Enantiomers by Capillary Electrophoresis

Enantiomeric Separations of Chiral Drugs with Dual Cyclodextrin Systems in Capillary Electrophoresis

Enantioselective separation of racemic ofloxacin using emulsion liquid membrane by chiral extraction

Chiral Recognition Mechanism of Naproxen and Its Derivatives on a Chiral Column

Low relative molecular mass type chiral stationary phases for high performance liquid chromatography in chiral resolution

Improved Chiral Separation of Amino Acid Derivatives by Capillary Electrophoresis With Vancomycin as Chiral Selector

Study on Recognition of Imidazole Derivatives by Chiral Amino Acids Linked Porphyrins and Circular Dichroism Spectroscopy

Preparation and Application of Chiral Liquid Crystalline Polysiloxane Capillary Columns

Simultaneously Molecular Imprinting Chiral Stationary Phase

Preparation and Application of Isoquinolinecarboxylic Acid Derivative as Chiral Stationary Phase for Ligand Exchange Chromatography

Selective-Diffusion or Selective-Sorption Membranes and their Application Prospect in Chiral Resolution

Preparation of Novel Chiral Stationary Phases for Ligand Exchange Chromatography and Their Applications

Synthesis, Structural Characterization and Reaction of the Chiral Clusters

Preparation of A Novel Chiral Stationary Phase Based on Library of Small Peptides Obtained by Digestion of Bovine Serum Albumin with Trypsin

Progress of Organozinc Reagents in Asymmetric Addition Reactions Catalyzed by Sulfur-Containing Chiral Ligands

Separation and Quantitation of Theanine Enantiomers on Ligand Exchange Chromatography with Chiral Mobile Phase

Synthesis and Structural Characterization of Chiral Aziridine Derivatives

Studies on Chiral Recognition of Biomolecules Using Affinity Capillary Electrophoresis

Propagation characteristics of metal coaxial lines filled with multi-layered reciprocal chiral media

Chiral Synthesis - Asymmetry Reaction and Its Application

Synthesis and Application of a New Water-soluble Chiral Ruthenium Catalyst

Research on Stealthy Electromagnetic Wave Characteristics of Chiral Materials of Ferrite Substrate

Direct Resolution of Tebuconazole Enantiomers with Chiral Stationary Phase of Cellulose Derivative

Effect of Rigidity of the Imprinted Molecule to Chiral Separation of Molecular Imprinting Chiral Stationary Phase

The Application of Lipase for the Preparation Chiral Pharmaceutical Intermediates

Time-Domain Finite-Surface Method for Solving Scattering Problems of Arbitrary Cross Section PEC Cylinders Coated with Chiral Medium

Direct Enantioseparation of Pantoprazole Sodium by High Performance Liquid Chromatography on Teicoplanin-Bonded Chiral Stationary Phase

Quantitative Determination of Levofloxacin Hydrochloride by Chiral Mobile Phase