| PubMed:Organocatalytic kinetic resolution of racemic secondary nitroallylic alcohols combined with simultaneous desymmetrization of prochiral cyclic anhydrides. |
| PubMed:Combined use of [TBA][L-ASP] and hydroxypropyl-β-cyclodextrin as selectors for separation of Cinchona alkaloids by capillary electrophoresis. |
| PubMed:Chemical modifications of cinchona alkaloids lead to enhanced inhibition of human butyrylcholinesterase. |
| PubMed:Organic/Hybrid nanoparticles and single-walled carbon nanotubes: preparation methods and chiral applications. |
| PubMed:Asymmetric domino multicatalysis for the synthesis of 3-substituted phthalides: cinchonine/NHC cooperative system. |
| PubMed:Chiral modification of platinum by co-adsorbed cinchonidine and trifluoroacetic acid: origin of enhanced stereocontrol in the hydrogenation of trifluoroacetophenone. |
| PubMed:Stereoselective inhibition of serotonin transporters by antimalarial compounds. |
| PubMed:A novel europium-sensitive fluorescent nano-chemosensor based on new functionalized magnetic core-shell Fe3O4@SiO2 nanoparticles. |
| PubMed:Hidden symmetry enables a 15-step total synthesis of pactamycin. |
| PubMed:Determination of the enantiomeric purity of the antiasthmatic drug montelukast by means of 1H NMR spectroscopy. |
| PubMed:Antiparasitic hybrids of Cinchona alkaloids and bile acids. |
| PubMed:Enantioseparation of α-amino acids by means of Cinchona alkaloids as selectors in chiral ligand-exchange chromatography. |
| PubMed:Influences of urea and pH on the interaction of cinchonidine with bovine serum albumin by steady state fluorescence spectroscopy. |
| PubMed:Molecular assembly of an achiral phosphine and a chiral primary amine: a highly efficient supramolecular catalyst for the enantioselective Michael reaction of aldehydes with maleimides. |
| PubMed:Enantioselective tandem reaction of chromone-derived Morita-Baylis-Hillman carbonates with benzylamines catalyzed by a trifunctional organocatalyst: the synthesis of chiral 3-aminomethylene-flavanones. |
| PubMed:Templating effect in DNA proximity ligation enables use of non-bioorthogonal chemistry in biological fluids. |
| PubMed:Open-tubular electrochromatographic chiral separation of amino acids using an organic nanocrystals immobilized capillary. |
| PubMed:Mechanistic insights on organocatalytic enantioselective decarboxylative protonation by epicinchona-thiourea hybrid derivatives. |
| PubMed:Evaluation of antibacterial and anti-biofilm activities of cinchona alkaloid derivatives against Staphylococcus aureus. |
| PubMed:Capillary electrophoresis methods for the analysis of antimalarials. Part I. Chiral separation methods. |
| PubMed:Extraction of alkaloids for NMR-based profiling: exploratory analysis of an archaic Cinchona bark collection. |
| PubMed:Enantioselective Michael addition of 3-aryloxindoles to a vinyl bisphosphonate ester catalyzed by a cinchona alkaloid derived thiourea catalyst. |
| PubMed:Crystal structure of quinine: the effects of vinyl and methoxy groups on molecular assemblies of Cinchona alkaloids cannot be ignored. |
| PubMed:Mutation in the Plasmodium falciparum CRT protein determines the stereospecific activity of antimalarial cinchona alkaloids. |
| PubMed:Bioproduction of Cinchona alkaloids by the endophytic fungus Diaporthe sp. associated with Cinchona ledgeriana. |
| PubMed:Interference of the surface of the solid on the performance of tethered molecular catalysts. |
| PubMed:Synthesis of main-chain chiral quaternary ammonium polymers for asymmetric catalysis using quaternization polymerization. |
| PubMed:Development of a chiral stationary phase based on cinchonidine. Comparison with a quinine-based chiral column. |
| PubMed:Preparation and confinement effect of a heterogeneous 9-amino-9-deoxy-epi-cinchonidine organocatalyst for asymmetric aldol addition in aqueous medium. |
| PubMed:Preparation of chiral amino esters by asymmetric phase-transfer catalyzed alkylations of Schiff bases in a ball mill. |
| PubMed: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. |
| PubMed:Asymmetric hydrogenation on chirally modified Pt: origin of hydrogen in the N-H-O interaction between cinchonidine and ketone. |
| PubMed:The role of weak hydrogen bonds in chiral recognition. |
| PubMed:Tosyl esters of cinchonidine and cinchonine alkaloids: the structure-reactivity relationship in the hydrolysis to 9-epibases. |
| PubMed:Cinchona alkaloids are also produced by an endophytic filamentous fungus living in cinchona plant. |
| PubMed:Diastereoselective aziridination of chiral electron-deficient olefins with N-chloro-N-sodiocarbamates catalyzed by chiral quaternary ammonium salts. |
| PubMed:Membranes for specific adsorption: immobilizing molecularly imprinted polymer microspheres using electrospun nanofibers. |
| PubMed:Facile synthesis of enantioenriched Cγ-tetrasubstituted α-amino acid derivatives via an asymmetric nucleophilic addition/protonation cascade. |
| PubMed:Organocatalytic aza-Michael/retro-aza-Michael reaction: pronounced chirality amplification in aza-Michael reaction and racemization via retro-aza-Michael reaction. |
| PubMed:Cation-π and π-π stacking interactions allow selective inhibition of butyrylcholinesterase by modified quinine and cinchonidine alkaloids. |
| PubMed:The first case of competitive heterogeneously catalyzed enantioselective hydrogenation of ketones. |
| PubMed:Determination of cinchona alkaloids by non-aqueous CE with MS detection. |
| PubMed:Novel thiourea-amine bifunctional catalysts for asymmetric conjugate addition of ketones/aldehydes to nitroalkenes: rational structural combination for high catalytic efficiency. |
| PubMed:Construction of expression system of rabbit aldehyde oxidase cDNA for the clarification of species differences. |
| PubMed:Monodispersed, molecularly imprinted polymers for cinchonidine by precipitation polymerization. |
| PubMed: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. |
| PubMed:Chiral recognition in cinchona alkaloid protonated dimers: mass spectrometry and UV photodissociation studies. |
| PubMed:Platinum nanoparticles: the crucial role of crystal face and colloid stabilizer in the diastereoselective hydrogenation of cinchonidine. |
| PubMed:Practical asymmetric conjugate alkynylation of Meldrum's acid-derived acceptors: access to chiral beta-alkynyl acids. |
| PubMed:A single amino acid substitution confers high cinchonidine oxidation activity comparable with that of rabbit to monkey aldehyde oxidase 1. |
| PubMed:Preparative resolution of etodolac enantiomers by preferential crystallization method. |
| PubMed:Influence of peripheral groups on the physical and chemical behavior of cinchona alkaloids. |
| PubMed:Catalytic asymmetric alkylation of substituted isoflavanones. |
| PubMed:Shape-selective enantioselective hydrogenation on Pt nanoparticles. |
| PubMed:Resolution of (+)-cinchonine and (-)-cinchonidine by phase-modulation fluorescence spectroscopy. |
| PubMed:Experimental and theoretical analysis of asymmetric induction in heterogeneous catalysis: diastereoselective hydrogenation of chiral alpha-hydroxyketones over Pt catalyst. |
| PubMed: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. |
| PubMed:Mixed ternary ion associate formation between xanthene dye, cinchona-alkaloid and quaternary ammonium ion and its application to the determination of trace amounts of quaternary ammonium salts in pharmaceuticals. |
| PubMed:Homochiral crystallization of microporous framework materials from achiral precursors by chiral catalysis. |
| PubMed:A combined NMR, DFT, and X-ray investigation of some cinchona alkaloid O-ethers. |
| PubMed:Ylide-initiated michael addition-cyclization reactions beyond cyclopropanes. |
| PubMed:Conformational behavior of cinchonidine revisited: a combined theoretical and experimental study. |
| PubMed:Rational combination of two privileged chiral backbones: highly efficient organocatalysts for asymmetric direct aldol reactions between aromatic aldehydes and acylic ketones. |
| PubMed:Hydrogen-bonding interactions in cinchonidine-2-methyl-2-hexenoic acid complexes: a combined spectroscopic and theoretical study. |
| PubMed:Highly enantioselective synthesis of isoxazoline N-oxides. |
| PubMed:Novel Cinchona alkaloid derived ammonium salts as catalysts for the asymmetric synthesis of beta-hydroxy alpha-amino acids via aldol reactions. |
| PubMed:Capillary electrophoretic chiral separation of Cinchona alkaloids using a cyclodextrin selector. |
| PubMed:Factors controlling adsorption equilibria from solution onto solid surfaces: the uptake of cinchona alkaloids on platinum surfaces. |
| PubMed:Polymer-supported Cinchona alkaloid-derived ammonium salts as recoverable phase-transfer catalysts for the asymmetric synthesis of alpha-amino acids. |
| PubMed:Synthesis and optical resolution of an allenoic acid by diastereomeric salt formation induced by chiral alkaloids. |
| PubMed:An improved synthesis of 10,11-didehydro Cinchona alkaloids. |
| PubMed:Chirally modified platinum generated by adsorption of cinchonidine ether derivatives: towards uncovering the chiral sites. |
| PubMed:Role of guiding groups in cinchona-modified platinum for controlling the sense of enantiodifferentiation in the hydrogenation of ketones. |
| PubMed:Surface processes occurring on Rh/alumina during chiral modification by cinchonidine: an ATR-IR spectroscopy study. |
| PubMed:Enantioselective synthesis of 3,4-dihydropyran-2-ones by domino Michael addition and lactonization with new asymmetric organocatalysts: cinchona-alkaloid-derived chiral quaternary ammonium phenoxides. |
| PubMed:Enantioselective hydrogenation of ethyl pyruvate over diop modified Pt nanoclusters. Determination of geometry of the ligand adsorption mode via DRIFTS. |
| PubMed:Competitive chemisorption between pairs of cinchona alkaloids and related compounds from solution onto platinum surfaces. |
| PubMed:Effect of protonation on the conformation of cinchonidine. |
| PubMed:Time-lapse STM studies of diastereomeric cinchona alkaloids on platinum metals. |
| PubMed:Cinchonidine adsorption on gold and gold-containing bimetallic platinum metal surfaces: an attenuated total reflection infrared and density functional theory study. |
| PubMed:Liquid chromatographic analysis of cinchona alkaloids in beverages. |
| PubMed:Patients with quinine-induced immune thrombocytopenia have both "drug-dependent" and "drug-specific" antibodies. |
| PubMed: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. |
| PubMed:Structure-property relationship in py-hexahydrocinchonidine diastereomers: ab initio and NMR study. |
| PubMed:Determination of geometric orientation of adsorbed cinchonidine on Pt and Fe and quiphos on Pt nanoclusters via DRIFTS. |
| PubMed:The origin of chemo- and enantioselectivity in the hydrogenation of diketones on platinum. |
| PubMed:Michael reactions carried out using a bench-top flow system. |
| PubMed:Solvent-induced conformational changes of O-phenyl-cinchonidine: a theoretical and VCD spectroscopy study. |
| PubMed:Species differences in enantioselective 2-oxidations of RS-8359, a selective and reversible MAO-A inhibitor, and cinchona alkaloids by aldehyde oxidase. |
| PubMed:Enantioseparation of secondary alcohols by diastereoisomeric salt formation. |
| PubMed:[Preparation of molecularly imprinted chiral monolithic column and its applications for separation of diastereomers]. |
| PubMed:Catalytic enantioselective aza-Henry reaction with broad substrate scope. |
| PubMed:Effect of ultrasound in enantioselective hydrogenation of 1-phenyl-1,2-propanedione: comparison of catalyst activation, solvents and supports. |
| PubMed:Signaling molecularly imprinted polymers: molecular recognition-based sensing materials. |
| PubMed:Stereospecific oxidation of the (S)-enantiomer of RS-8359, a selective and reversible monoamine oxidase A (MAO-A) inhibitor, by aldehyde oxidase. |
| PubMed:Asymmetric Mannich reactions of beta-keto esters with acyl imines catalyzed by cinchona alkaloids. |
| PubMed:Competition at chiral metal surfaces: fundamental aspects of the inversion of enantioselectivity in hydrogenations on platinum. |
| PubMed:Direct STM investigation of cinchona alkaloid adsorption on Cu(III). |
| PubMed:On the existence of ordered organic adlayers at the Cu(111)/electrolyte interface. |
| PubMed:Cobalt complexes with cinchonidine and quinidine: effect of C8/C9 stereochemistry and 6'-substitution on intermolecular interactions. |
| PubMed:Screening of bitterness-suppressing agents for quinine: the use of molecularly imprinted polymers. |
| PubMed:In-vitro response of Plasmodium falciparum to the main alkaloids of Cinchona in northwestern Thailand. |
| PubMed:Dose-dependent resorption of quinine after intrarectal administration to children with moderate Plasmodium falciparum malaria. |
| PubMed:Phase-transfer-catalyzed asymmetric glycolate alkylation. |
| PubMed:Synthetic cinchonidine receptors obtained by cross-linking linear poly(methacrylic acid) derivatives as an alternative molecular imprinting technique. |
| PubMed:Short columns with molecularly imprinted monolithic stationary phases for rapid separation of diastereomers and enantiomers. |
| PubMed: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. |
| PubMed:Enantioselective iodolactonization catalyzed by chiral quaternary ammonium salts derived from cinchonidine. |
| PubMed:Identification of catalyst surface species during asymmetric platinum-catalysed hydrogenation in a "supercritical" solvent. |
| PubMed:A case for enantioselective allylic alkylation catalyzed by palladium nanoparticles. |
| PubMed:Determination of enantiomeric excess using the ultraviolet-circular dichroism and the high-performance liquid chromatography-circular dichroism methods. |
| PubMed:Interaction between ketopantolactone and chirally modified Pt investigated by attenuated total reflection IR concentration modulation spectroscopy. |
| PubMed:Chiral recognition of peptide enantiomers by cinchona alkaloid derived chiral selectors: mechanistic investigations by liquid chromatography, NMR spectroscopy, and molecular modeling. |
| PubMed:Observation of high enantioselectivity for the gas phase hydrogenation of methyl pyruvate using supported Pt catalysts pre-modified with cinchonidine. |
| PubMed:Hydrogenation of cinchona alkaloids over supported Pt catalyst. |
| PubMed:Conformational spaces of Cinchona alkaloids. |
| PubMed:Preparation of enantiopure 1-azabicyclo[3.2.2]nonanes functionalized at carbon C3, from cinchonine and cinchonidine. stereoselective solvolysis and an easily enolizable ketone. |
| PubMed:Selective binding of chiral molecules of cinchona alkaloid by beta- and gamma-cyclodextrins and organoselenium-bridged bis(beta-cyclodextrin)s. |
| PubMed:New crystalline complex of quinine and quinidine. |
| PubMed:The characterisation of supported platinum nanoparticles on carbon used for enantioselective hydrogenation: a combined electrochemical-STM approach. |
| PubMed:Acyclic stereoselective boron alkylation reactions for the asymmetric synthesis of beta-substituted alpha-amino acid derivatives. |
| PubMed:Highly stereoselective, uniformly sized molecularly imprinted polymers for cinchona alkaloids in hydro-organic mobile phases. |
| PubMed:[Beaded molecule imprinted polymer for stereo isomer separation]. |
| PubMed:Transformation of Cinchona alkaloids into 1-N-oxide derivatives by endophytic Xylaria sp isolated from Cinchona pubescens. |
| PubMed:Adsorption mode of cinchonidine on Cu(111) surface. |
| PubMed: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. |
| PubMed:The enantioselective synthesis of alpha-amino acid derivatives via organoboranes. |
| PubMed:Mechanistic switch leading to highly efficient chirality transfer in Pd(0)-catalyzed coupling-cyclization of aryl iodides with 1:1 acid-base salts of 2,3-allenoic acids and L-(-)-cinchonidine or D-(+)-/L-(-)-alpha-methylbenzylamine. Enantioselective synthesis of highly optically active 3-aryl polysubstituted butenolides. |
| PubMed:Highly selective hydroformylation of the cinchona alkaloids. |
| PubMed:Enantioselective hydrogenation over cinchona-modified Pt: the special role of carboxylic acids. |
| PubMed:Asymmetric Weitz-Scheffer epoxidation of isoflavones with hydroperoxides mediated by optically active phase-transfer catalysts. |
| PubMed:An in situ attenuated total reflection infrared study of a chiral catalytic solid-liquid interface: cinchonidine adsorption on pt. |
| PubMed:Adsorption geometry of modifiers as key in imparting chirality to platinum catalysts. |
| PubMed:In vitro effect of alkaloids on bloodstream forms of Trypanosoma brucei and T. congolense. |
| PubMed:Moleculary imprinted polymers with metalloporphyrin-based molecular recognition sites coassembled with methacrylic acid. |
| PubMed:HPTLC method for the estimation of alkaloids of Cinchona officinalis stem bark and its marketed formulations. |
| PubMed:Homogeneous and heterogeneous asymmetric reactions: Part 11. Sonochemical enantioselective hydrogenation of trifluoromethyl ketones over platinum catalysts. |
| PubMed:Non-aqueous capillary electrophoretic enantioseparation of N-derivatized amino acids using cinchona alkaloids and derivatives as chiral counter-ions. |
| PubMed:The multidrug resistance protein is photoaffinity labeled by a quinoline-based drug at multiple sites. |
| PubMed:Identification of ethyl pyruvate and dihydrocinchonidine adducts by electrospray ionization mass spectrometry. |
| PubMed:Quinine disposition in globally malnourished children with cerebral malaria. |
| PubMed:Novel chiral recognition elements for molecularly imprinted polymer preparation. |
| PubMed:The inhibitory effect of cinchonine on human platelet aggregation due to blockade of calcium influx. |
| PubMed:Optosensor for cinchona alkaloids with C18 silica gel as a substrate. |
| PubMed:Chinchona alkaloid from Dendrosenecio kilimanjari subsp. cottonii. |
| PubMed:Discovery of potent isoxazoline glycoprotein IIb/IIIa receptor antagonists. |
| PubMed:Plasmodium berghei mouse model: antimalarial activity of new alkaloid salts and of thiosemicarbazone and acridine derivatives. |
| PubMed:N-methyl-D-aspartic acid receptor agonists: resolution, absolute stereochemistry, and pharmacology of the enantiomers of 2-amino-2-(3-hydroxy-5-methyl-4-isoxazolyl)acetic acid. |
| PubMed:Lambda-carrageenan: a novel chiral selector for capillary electrophoresis. |
| PubMed:Inhibitors of acyl-CoA: cholesterol acyltransferase. II. Preparation and hypocholesterolemic activity of optically active dibenz[b,e]oxepin-11-carboxanilides. |
| PubMed:Intrarectal Quinimax (an association of Cinchona alkaloids) for the treatment of Plasmodium falciparum malaria in children in Niger: efficacy and pharmacokinetics. |
| PubMed:The chemical and immunoglobulin structural features necessary for reactions of quinine-dependent antibodies to neutrophils. |
| PubMed:Comparative in vitro renal damage due to stereoisomeric cinchona alkaloids. |
| PubMed:Effect of Cinchona bark alkaloids and chloroquine on phospholipid synthesis. K+ channel blockers specifically enhance the activity of the serine base exchange enzyme system in Jurkat T cells. |
| PubMed:Role of guinea pig and rabbit hepatic aldehyde oxidase in oxidative in vitro metabolism of cinchona antimalarials. |
| PubMed:Molecular properties of Cinchona alkaloids: a theoretical approach. |
| PubMed:Enhanced choline and Rb+ transport in human erythrocytes infected with the malaria parasite Plasmodium falciparum. |
| PubMed:Synthesis and pharmacological effects of optically active 2-[4-(4-benzhydryl-1-piperazinyl)phenyl]-ethyl methyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate hydrochloride. |
| PubMed:A comparison of the antimalarial activity of the cinchona alkaloids against Plasmodium falciparum in vitro. |
| PubMed:[Combinations of borotungstic acid with nitrogenous compounds]. |
| PubMed:Alkaloid Production by Transformed Root Cultures of Cinchona ledgeriana. |
| PubMed:Determinants of stereospecific binding of type I antiarrhythmic drugs to cardiac sodium channels. |
| PubMed:Effect of Precursors on Growth and Alkaloid Production in Chinchona ledgeriana Leaf-Shoot Organ Cultures. |
| PubMed:Activity of a combination of three cinchona bark alkaloids against Plasmodium falciparum in vitro. |
| PubMed:Toxicity of quinoline alkaloids to cultured Cinchona ledgeriana cells. |
| PubMed:GABA agonists. Resolution, absolute stereochemistry, and enantioselectivity of (S)-(+)- and (R)-(-)-dihydromuscimol. |
| PubMed:Analysis of Cinchona alkaloids by high-performance liquid chromatography. Application to the analysis of quinidine gluconate and quinidine sulfate and their dosage forms. |
| PubMed:Comparative disposition kinetics of two diastereomeric pairs of cinchona alkaloids in the dog. |
| PubMed:Competitive inhibition of sparteine oxidation in human liver by beta-adrenoceptor antagonists and other cardiovascular drugs. |
| PubMed:An HPLC method for the simultaneous quantitation of quinidine, procainamide, N-acetylprocainamide, and disopyramide. |
| PubMed:Spiro oxazolidinedione aldose reductase inhibitors. |
| PubMed:Colorimetric assay of quinine and quinidine in raw materials, formulations, and biological fluids. |
| PubMed:Serum quinidine concentrations: comparison of fluorescence, gas-chromatographic, and gas-chromatographic/mass-spectrometric methods. |
| PubMed:Nitrogen photochemistry. V. A new photochemical reduction of the cinchona alkaloids, quinine, quinidine, cinchonidine, cinchonine. |
| PubMed:[Determination of quinine, quinidine, cinchonine, cinchonidine and sparteine by means of Reinecke's salt]. |
| PubMed:Some quantitative uses of drug antagonists. |
| PubMed:Immunoreactions involving platelets. III. Quantitative aspects of platelet agglutination, inhibition of clot retraction, and other reactions caused by the antibody of quinidine purpura. |
| PubMed:Action of sheep liver homogenates on quinine, quinidine, cinchonine and cinchonidine. |
| PubMed:Biochemical studies on carbohydrates. 145. N-acetylchondrosamine, n-acetyl-, -methylchondrosaminide and desaminochondrosin-cinchonidine-salt. |
| PubMed:Solubility of cinchonine and cinchonidine in alcohol-water mixtures. |
| PubMed:Conversion of hydroquinidine into hydrocinchonine and of cupreine into cinchonidine. |
3D/inchi