-
Exploration of natural compounds as sources of new bifunctional scaffolds targeting cholinesterases and beta amyloid aggregation: the case of chelerythrine.
Bioorganic & medicinal chemistry 20121115
-
Crystal structure of quinine: the effects of vinyl and methoxy groups on molecular assemblies of Cinchona alkaloids cannot be ignored.
Chemistry, an Asian journal 20121101
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Enantioselective Michael addition of 3-aryloxindoles to a vinyl bisphosphonate ester catalyzed by a cinchona alkaloid derived thiourea catalyst.
Organic & biomolecular chemistry 20121021
-
Homochiral crystallization of metal-organic silver frameworks: asymmetric [3+2] cycloaddition of an azomethine ylide.
Angewandte Chemie (International ed. in English) 20121001
-
Evaluation of antibacterial and anti-biofilm activities of cinchona alkaloid derivatives against Staphylococcus aureus.
Natural product communications 20120901
-
Platinum-catalyzed asymmetric hydrogenation: spectroscopic evidence for an O-H-O hydrogen-bond interaction between substrate and modifier.
Angewandte Chemie (International ed. in English) 20120813
-
Development of a chiral stationary phase based on cinchonidine. Comparison with a quinine-based chiral column.
Chirality 20120701
-
Synthesis of main-chain chiral quaternary ammonium polymers for asymmetric catalysis using quaternization polymerization.
Molecules (Basel, Switzerland) 20120619
-
Molecular determinants of ligand selectivity for the human multidrug and toxin extruder proteins MATE1 and MATE2-K.
The Journal of pharmacology and experimental therapeutics 20120601
-
Investigating the activity of quinine analogues versus chloroquine resistant Plasmodium falciparum.
Bioorganic & medicinal chemistry 20120515
-
Preparation of chiral amino esters by asymmetric phase-transfer catalyzed alkylations of Schiff bases in a ball mill.
Chemistry (Weinheim an der Bergstrasse, Germany) 20120319
-
Medicinal plants used by various tribes of bangladesh for treatment of malaria.
Malaria research and treatment 20120101
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Cinchonine Prevents High-Fat-Diet-Induced Obesity through Downregulation of Adipogenesis and Adipose Inflammation.
PPAR research 20120101
-
Bioproduction of Cinchona alkaloids by the endophytic fungus Diaporthe sp. associated with Cinchona ledgeriana.
Chemical & pharmaceutical bulletin 20120101
-
Screening medicinal plants for the detection of novel antimalarial products applying the inhibition of β-hematin formation.
Journal of pharmaceutical and biomedical analysis 20111215
-
Asymmetric hydrogenation on chirally modified Pt: origin of hydrogen in the N-H-O interaction between cinchonidine and ketone.
Journal of the American Chemical Society 20111214
-
The role of weak hydrogen bonds in chiral recognition.
Physical chemistry chemical physics : PCCP 20111028
-
Tosyl esters of cinchonidine and cinchonine alkaloids: the structure-reactivity relationship in the hydrolysis to 9-epibases.
Acta crystallographica. Section C, Crystal structure communications 20110901
-
Organocatalytic asymmetric synthesis of sulfoxides from sulfenic acid anions mediated by a Cinchona-derived phase-transfer reagent.
Organic letters 20110617
-
Organocatalytic aza-Michael/retro-aza-Michael reaction: pronounced chirality amplification in aza-Michael reaction and racemization via retro-aza-Michael reaction.
Chirality 20110501
-
Cation-π and π-π stacking interactions allow selective inhibition of butyrylcholinesterase by modified quinine and cinchonidine alkaloids.
Biochemical and biophysical research communications 20110128
-
A call for using natural compounds in the development of new antimalarial treatments - an introduction.
Malaria journal 20110101
-
Whole plant extracts versus single compounds for the treatment of malaria: synergy and positive interactions.
Malaria journal 20110101
-
Membranes for specific adsorption: immobilizing molecularly imprinted polymer microspheres using electrospun nanofibers.
Chimia 20110101
-
Cinchona alkaloids are also produced by an endophytic filamentous fungus living in cinchona plant.
Chemical & pharmaceutical bulletin 20110101
-
Rapid and green analytical method for the determination of quinoline alkaloids from Cinchona succirubra based on Microwave-Integrated Extraction and Leaching (MIEL) prior to high performance liquid chromatography.
International journal of molecular sciences 20110101
-
Synthesis and SAR studies of 1,4-benzoxazine MenB inhibitors: novel antibacterial agents against Mycobacterium tuberculosis.
Bioorganic & medicinal chemistry letters 20101101
-
Novel thiourea-amine bifunctional catalysts for asymmetric conjugate addition of ketones/aldehydes to nitroalkenes: rational structural combination for high catalytic efficiency.
Organic & biomolecular chemistry 20100321
-
Monodispersed, molecularly imprinted polymers for cinchonidine by precipitation polymerization.
Talanta 20100315
-
Chiral recognition in cinchona alkaloid protonated dimers: mass spectrometry and UV photodissociation studies.
The journal of physical chemistry. A 20100311
-
Platinum nanoparticles: the crucial role of crystal face and colloid stabilizer in the diastereoselective hydrogenation of cinchonidine.
Chemistry (Weinheim an der Bergstrasse, Germany) 20100215
-
A single amino acid substitution confers high cinchonidine oxidation activity comparable with that of rabbit to monkey aldehyde oxidase 1.
Drug metabolism and disposition: the biological fate of chemicals 20100201
-
Synthesis and biological activity of the calcium modulator (R) and (S)-3-methyl 5-pentyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate.
Bioorganic & medicinal chemistry letters 20100201
-
Practical asymmetric conjugate alkynylation of Meldrum's acid-derived acceptors: access to chiral beta-alkynyl acids.
Journal of the American Chemical Society 20100120
-
Preparative resolution of etodolac enantiomers by preferential crystallization method.
Archives of pharmacal research 20091001
-
Shape-selective enantioselective hydrogenation on Pt nanoparticles.
Journal of the American Chemical Society 20090902
-
Influence of peripheral groups on the physical and chemical behavior of cinchona alkaloids.
The journal of physical chemistry. B 20090827
-
Resolution of (+)-cinchonine and (-)-cinchonidine by phase-modulation fluorescence spectroscopy.
Analytica chimica acta 20090420
-
Experimental and theoretical analysis of asymmetric induction in heterogeneous catalysis: diastereoselective hydrogenation of chiral alpha-hydroxyketones over Pt catalyst.
Journal of the American Chemical Society 20090401
-
Separation of Cinchona alkaloids on a novel strong cation-exchange-type chiral stationary phase-comparison with commercially available strong cation exchanger and reversed-phase packing materials.
Analytical and bioanalytical chemistry 20090201
-
Construction of expression system of rabbit aldehyde oxidase cDNA for the clarification of species differences.
European journal of drug metabolism and pharmacokinetics 20090101
-
Homochiral crystallization of microporous framework materials from achiral precursors by chiral catalysis.
Journal of the American Chemical Society 20081001
-
A combined NMR, DFT, and X-ray investigation of some cinchona alkaloid O-ethers.
The Journal of organic chemistry 20080905
-
Conformational behavior of cinchonidine revisited: a combined theoretical and experimental study.
The journal of physical chemistry. A 20080807
-
Rational combination of two privileged chiral backbones: highly efficient organocatalysts for asymmetric direct aldol reactions between aromatic aldehydes and acylic ketones.
The Journal of organic chemistry 20080801
-
Ylide-initiated michael addition-cyclization reactions beyond cyclopropanes.
Accounts of chemical research 20080801
-
Hydrogen-bonding interactions in cinchonidine-2-methyl-2-hexenoic acid complexes: a combined spectroscopic and theoretical study.
The journal of physical chemistry. A 20080710
-
An improved synthesis of 10,11-didehydro Cinchona alkaloids.
Chirality 20080301
-
Synthetic efforts for stereo structure determination of cytotoxic marine natural product pericosines as metabolites of Periconia sp. from sea hare.
International journal of molecular sciences 20080301
-
Highly enantioselective synthesis of isoxazoline N-oxides.
Chemical communications (Cambridge, England) 20080214
-
Synthesis and optical resolution of an allenoic acid by diastereomeric salt formation induced by chiral alkaloids.
Chirality 20080101
-
Phthalocyanine-based molecularly imprinted polymers as nucleoside receptors.
Metal-based drugs 20080101
-
Cinchonidinium chloride monohydrate.
Acta crystallographica. Section E, Structure reports online 20080101
-
Factors controlling adsorption equilibria from solution onto solid surfaces: the uptake of cinchona alkaloids on platinum surfaces.
Journal of the American Chemical Society 20071226
-
Phase-transfer-catalyzed asymmetric acylimidazole alkylation.
Organic letters 20071108
-
Role of guiding groups in cinchona-modified platinum for controlling the sense of enantiodifferentiation in the hydrogenation of ketones.
Journal of the American Chemical Society 20070829
-
Diastereo- and enantioselective synthesis of alpha,beta-epoxyketones using aqueous NaOCl in conjunction with dihydrocinchonidine derived phase-transfer catalysis at room temperature. Scope and limitations.
Organic & biomolecular chemistry 20070721
-
Surface processes occurring on Rh/alumina during chiral modification by cinchonidine: an ATR-IR spectroscopy study.
Langmuir : the ACS journal of surfaces and colloids 20070717
-
Enantioselective hydrogenation of ethyl pyruvate over diop modified Pt nanoclusters. Determination of geometry of the ligand adsorption mode via DRIFTS.
Physical chemistry chemical physics : PCCP 20070221
-
Acceptability and efficacy of intra-rectal quinine alkaloids as a pre-transfer treatment of non-per os malaria in peripheral health care facilities in Mopti, Mali.
Malaria journal 20070101
-
Chirally modified platinum generated by adsorption of cinchonidine ether derivatives: towards uncovering the chiral sites.
Chemistry (Weinheim an der Bergstrasse, Germany) 20070101
-
Pilot feasibility study of an emergency paediatric kit for intra-rectal quinine administration used by the personnel of community-based health care units in Senegal.
Malaria journal 20070101
-
Competitive chemisorption between pairs of cinchona alkaloids and related compounds from solution onto platinum surfaces.
Journal of the American Chemical Society 20061227
-
Effect of protonation on the conformation of cinchonidine.
Journal of the American Chemical Society 20061213
-
Time-lapse STM studies of diastereomeric cinchona alkaloids on platinum metals.
The journal of physical chemistry. B 20061102
-
Total synthesis of the hydroxyketone kurasoin A using asymmetric phase-transfer alkylation.
The Journal of organic chemistry 20061027
-
Cinchonidine adsorption on gold and gold-containing bimetallic platinum metal surfaces: an attenuated total reflection infrared and density functional theory study.
The journal of physical chemistry. B 20060831
-
Improved asymmetric S(N)Ar reaction of beta-dicarbonyl compounds catalyzed by quaternary ammonium salts derived from cinchona alkaloids.
The Journal of organic chemistry 20060623
-
Microsphere-based protease assays and screening application for lethal factor and factor Xa.
Cytometry. Part A : the journal of the International Society for Analytical Cytology 20060501
-
Species differences in enantioselective 2-oxidations of RS-8359, a selective and reversible MAO-A inhibitor, and cinchona alkaloids by aldehyde oxidase.
Biopharmaceutics & drug disposition 20060401
-
The origin of chemo- and enantioselectivity in the hydrogenation of diketones on platinum.
Journal of the American Chemical Society 20060329
-
Determination of geometric orientation of adsorbed cinchonidine on Pt and Fe and quiphos on Pt nanoclusters via DRIFTS.
Physical chemistry chemical physics : PCCP 20060321
-
Michael reactions carried out using a bench-top flow system.
Organic & biomolecular chemistry 20060207
-
Enantioseparation of secondary alcohols by diastereoisomeric salt formation.
Chirality 20060201
-
Solvent-induced conformational changes of O-phenyl-cinchonidine: a theoretical and VCD spectroscopy study.
The journal of physical chemistry. A 20060126
-
Effect of ultrasound in enantioselective hydrogenation of 1-phenyl-1,2-propanedione: comparison of catalyst activation, solvents and supports.
Ultrasonics sonochemistry 20060101
-
Liquid chromatographic analysis of cinchona alkaloids in beverages.
Journal of AOAC International 20060101
-
Asymmetric Mannich reactions of beta-keto esters with acyl imines catalyzed by cinchona alkaloids.
Journal of the American Chemical Society 20050817
-
Competition at chiral metal surfaces: fundamental aspects of the inversion of enantioselectivity in hydrogenations on platinum.
Journal of the American Chemical Society 20050615
-
Stereospecific oxidation of the (S)-enantiomer of RS-8359, a selective and reversible monoamine oxidase A (MAO-A) inhibitor, by aldehyde oxidase.
Xenobiotica; the fate of foreign compounds in biological systems 20050601
-
Structure-property relationship in py-hexahydrocinchonidine diastereomers: ab initio and NMR study.
The journal of physical chemistry. A 20050210
-
Screening of bitterness-suppressing agents for quinine: the use of molecularly imprinted polymers.
Journal of pharmaceutical sciences 20050201
-
Cobalt complexes with cinchonidine and quinidine: effect of C8/C9 stereochemistry and 6'-substitution on intermolecular interactions.
Chirality 20050201
-
Role of the solvent in the adsorption-desorption equilibrium of cinchona alkaloids between solution and a platinum surface: correlations among solvent polarity, cinchona solubility, and catalytic performance.
The journal of physical chemistry. B 20050113
-
Signaling molecularly imprinted polymers: molecular recognition-based sensing materials.
Chemical record (New York, N.Y.) 20050101
-
Study of fragmentation pattern and adsorption of 9-O-(triphenylsilyl)-10,11-dihydrocinchonidine on platinum by hydrogen/deuterium exchange using electrospray ionization ion-trap tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 20050101
-
Large-scale synthesis and resolution of TRISPHAT [tris(tetrachlorobenzenediolato) phosphate(V)] anion.
The Journal of organic chemistry 20041126
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Phase-transfer-catalyzed asymmetric glycolate alkylation.
Organic letters 20040624
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Short columns with molecularly imprinted monolithic stationary phases for rapid separation of diastereomers and enantiomers.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20040505
-
Synthetic cinchonidine receptors obtained by cross-linking linear poly(methacrylic acid) derivatives as an alternative molecular imprinting technique.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20040505
-
Polymer-supported Cinchona alkaloid-derived ammonium salts as recoverable phase-transfer catalysts for the asymmetric synthesis of alpha-amino acids.
Molecules (Basel, Switzerland) 20040430
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Efficient synthesis of 4-(3'-furanyl)butenolide derivatives via PdII-catalyzed oxidative heterodimeric cyclization reaction of 2,3-allenoic acids and 1,2-allenyl ketones.
Chemistry (Weinheim an der Bergstrasse, Germany) 20040419
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Enantioselective iodolactonization catalyzed by chiral quaternary ammonium salts derived from cinchonidine.
The Journal of organic chemistry 20040416
-
Direct STM investigation of cinchona alkaloid adsorption on Cu(III).
Langmuir : the ACS journal of surfaces and colloids 20040413
-
On the existence of ordered organic adlayers at the Cu(111)/electrolyte interface.
Langmuir : the ACS journal of surfaces and colloids 20040330
-
Interaction between ketopantolactone and chirally modified Pt investigated by attenuated total reflection IR concentration modulation spectroscopy.
Journal of the American Chemical Society 20031105
-
Chiral recognition of peptide enantiomers by cinchona alkaloid derived chiral selectors: mechanistic investigations by liquid chromatography, NMR spectroscopy, and molecular modeling.
The Journal of organic chemistry 20031031
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Observation of high enantioselectivity for the gas phase hydrogenation of methyl pyruvate using supported Pt catalysts pre-modified with cinchonidine.
Chemical communications (Cambridge, England) 20030807
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Conformational spaces of Cinchona alkaloids.
Chirality 20030801
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Determination of enantiomeric excess using the ultraviolet-circular dichroism and the high-performance liquid chromatography-circular dichroism methods.
Applied spectroscopy 20030701
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Preparation of enantiopure 1-azabicyclo[3.2.2]nonanes functionalized at carbon C3, from cinchonine and cinchonidine. stereoselective solvolysis and an easily enolizable ketone.
The Journal of organic chemistry 20030613
-
Acyclic stereoselective boron alkylation reactions for the asymmetric synthesis of beta-substituted alpha-amino acid derivatives.
Journal of the American Chemical Society 20030305
-
The characterisation of supported platinum nanoparticles on carbon used for enantioselective hydrogenation: a combined electrochemical-STM approach.
Chemphyschem : a European journal of chemical physics and physical chemistry 20030217
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Selective binding of chiral molecules of cinchona alkaloid by beta- and gamma-cyclodextrins and organoselenium-bridged bis(beta-cyclodextrin)s.
Bioorganic chemistry 20030201
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Transformation of Cinchona alkaloids into 1-N-oxide derivatives by endophytic Xylaria sp isolated from Cinchona pubescens.
Chemical & pharmaceutical bulletin 20030101
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Highly stereoselective, uniformly sized molecularly imprinted polymers for cinchona alkaloids in hydro-organic mobile phases.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 20030101
-
Hydrogenation of cinchona alkaloids over supported Pt catalyst.
Chirality 20030101
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The relationship of physico-chemical properties and structure to the differential antiplasmodial activity of the cinchona alkaloids.
Malaria journal 20030101
-
In-vitro response of Plasmodium falciparum to the main alkaloids of Cinchona in northwestern Thailand.
Wiener klinische Wochenschrift 20030101
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Adsorption mode of cinchonidine on Cu(111) surface.
Journal of the American Chemical Society 20021204
-
Optical resolution by preferential crystallization of (RS)-2-benzoylamino-2-benzyl-3-hydroxypropanoic acid and its use in synthesizing optically active 2-amino-2-methyl-3-phenylpropanoic acid.
Chemical & pharmaceutical bulletin 20021001
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[Preparation of molecularly imprinted chiral monolithic column and its applications for separation of diastereomers].
Se pu = Chinese journal of chromatography 20020901
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The enantioselective synthesis of alpha-amino acid derivatives via organoboranes.
Journal of the American Chemical Society 20020814
-
Highly selective hydroformylation of the cinchona alkaloids.
The Journal of organic chemistry 20020712
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Synthesis and evaluation of new antimalarial analogues of quinoline alkaloids derived from Cinchona ledgeriana Moens ex Trimen.
Bioorganic & medicinal chemistry letters 20020520
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Enantioselective hydrogenation over cinchona-modified Pt: the special role of carboxylic acids.
Chemistry (Weinheim an der Bergstrasse, Germany) 20020315
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New crystalline complex of quinine and quinidine.
Enantiomer 20020101
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An in situ attenuated total reflection infrared study of a chiral catalytic solid-liquid interface: cinchonidine adsorption on pt.
Journal of the American Chemical Society 20011205
-
A fast and simple GC MS method for lignan profiling in Anthriscus sylvestris and biosynthetically related Plant species.
Planta medica 20011201
-
Adsorption geometry of modifiers as key in imparting chirality to platinum catalysts.
Journal of the American Chemical Society 20011107
-
In vitro effect of alkaloids on bloodstream forms of Trypanosoma brucei and T. congolense.
Planta medica 20011001
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Moleculary imprinted polymers with metalloporphyrin-based molecular recognition sites coassembled with methacrylic acid.
Analytical chemistry 20010815
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HPTLC method for the estimation of alkaloids of Cinchona officinalis stem bark and its marketed formulations.
Planta medica 20010401
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Treatment of experimental pneumocystosis: review of 7 years of experience and development of a new system for classifying antimicrobial drugs.
Antimicrobial agents and chemotherapy 19920901
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Screening for new compounds with antiherpes activity.
Antiviral research 19841001
