دانلود مقالات ISI درباره Enantioselectivity + ترجمه فارسی

A chromatographic study on the exceptional enantioselectivity of cellulose tris(4-methylbenzoate) towards C5-chiral 4,5-dihydro-(1H)-pyrazole derivatives

Keywords: Enantiomer separation; Enantioselectivity; Chiral stationary phase; Chiralcel OJ-H; Temperature effects

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2011 سفارش ترجمه

Steric influence of N-phosphorus-arylimines on the rhodium-catalyzed asymmetric arylation

Keywords: Bulkiness; Hydrolysis; Enantioselectivity; Imine; Boroxine;

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2011 سفارش ترجمه

Influence of reaction conditions on the enantioselectivity of biocatalyzed C-C bond formations under high pressure conditions

Keywords: C-C bond formation; Enzymatic catalysis; Benzoylformate decarboxylase; Enantioselectivity; High pressure catalysis; pH;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2011 سفارش ترجمه

Pd(II)-SPRIX catalyzed enantioselective construction of pyrrolizines/pyrroloindoles employing molecular oxygen as the sole oxidant

Keywords: Palladium; Spiro bis(Isoxazoline); Enantioselectivity; Molecular oxygen; Pyrrolizines; Pyrroloindoles;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2011 سفارش ترجمه

Kinetic study of 2-butanol O-acylation and sec-butylamine N-acylation catalyzed by Candida antarctica lipase B

Keywords: O/N-acylation; Candida antarctica lipase B; Kinetic mechanism; Chemoselectivity; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2011 سفارش ترجمه

Effects of different solid state fermentation substrate on biochemical properties of cutinase from Fusarium sp.

Keywords: Cutinase; Solid state fermentation; Biochemical properties; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2011 سفارش ترجمه

Tandem intramolecular oxa-Michael addition/decarboxylation reaction catalyzed by bifunctional cinchona alkaloids: facile synthesis of chiral flavanone derivatives

Keywords: Oxa-Michael addition; Decarboxylation; Enantioselectivity; Bifunctional cinchona alkaloids; Flavanones;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2011 سفارش ترجمه

Carbonyl reductase SCRII from Candida parapsilosis catalyzes anti-Prelog reaction to (S)-1-phenyl-1,2-ethanediol with absolute stereochemical selectivity

Keywords: Carbonyl reductase; Candida parapsilosis; Enantioselectivity; Site-directed mutagenesis; Kinetic constants

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

Enantiomer-specific toxicity and bioaccumulation of alpha-cypermethrin to earthworm Eisenia fetida

Keywords: Alpha-cypermethrin; Enantioselectivity; Toxicity; Bioaccumulation; Earthworm;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

Different enantioselectivity of two types of poly(lactic acid) depolymerases toward poly(l-lactic acid) and poly(d-lactic acid)

Keywords: Enantioselectivity; Poly(lactic acid) (PLA); Protease-type PLA depolymerase; Cutinase-type PLA depolymerase; Stereocomplex PLA;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

Highly enantioselective synthesis of α-trichloromethyldihydropyrans catalyzed by bifunctional organocatalysts

Keywords: Michael addition; Enantioselectivity; Trichloromethyl ketones; Dihydropyrans; Bifunctional organocatalysts;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

Enantioselective endocrine-disrupting effects of bifenthrin on hormone synthesis in rat ovarian cells

Keywords: Enantioselectivity; Bifenthrin; Progesterone; Prostaglandin; Granulosa cells

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

MPV reduction using AlIII–calix[4]arene Lewis acid catalysts: Molecular-level insight into effect of ketone binding

Keywords: Catalytic reduction; Aluminum; Calix[4]arene; Meerwein–Ponndorf–Verley (MPV) reaction; Two-point binding; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

Challenges in the directed evolution of stereoselective enzymes for use in organic chemistry

Keywords: Asymmetric; Catalysis; Biocatalysis; Directed evolution; Enantioselectivity; EnzymesCatalyse asymétrique; Biocatalyse; Évolution dirigée; Énantioselectivité; Enzyme

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

Biocatalytic separation of (R, S)-1-phenylethanol enantiomers and fractionation of reaction products with supercritical carbon dioxide

Keywords: Supercritical CO2; Lipase; Enantioselectivity; 1-Phenylethanol; Phase equilibrium;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

Simultaneous enantioselective determination of fenbuconazole and its main metabolites in soil and water by chiral liquid chromatography/tandem mass spectrometry

Keywords: Fenbuconazole; Metabolite; Enantioselectivity; LC–MS/MS; Chirality; Enantiomers

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

Chemoenzymatic synthesis of chiral unsymmetrical benzoin esters

Keywords: Dynamic kinetic resolution; Benzoins; Regioselectivity; Lipase; Enantioselectivity;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2011 سفارش ترجمه

Structural bases for understanding the stereoselectivity in ketone reductions with ADH from Thermus thermophilus: A quantitative model

Keywords: ADH; Thermus thermophilus; Ketone bioreduction; Enantioselectivity; Quantitative model

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2011 سفارش ترجمه

Synthesis and characterization of chiral mono N-heterocyclic carbene-substituted rhodium complexes and their catalytic properties in hydrosilylation reactions

Keywords: Catalysis; Enantioselectivity; Hydrosilylation; N-Heterocyclic carbenes; Rhodium

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2011 سفارش ترجمه

Chiral separations in normal phase liquid chromatography: Enantioselectivity of recently commercialized polysaccharide-based selectors. Part I: Enantioselectivity under generic screening conditions

Keywords: Chiral separation; Chiral selectors; Enantioselectivity; Screening; Polysaccharides

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2011 سفارش ترجمه

Laboratory evolution of an epoxide hydrolase - Towards an enantioconvergent biocatalyst

Keywords: Directed evolution; Regioselectivity; Enantioconvergence; Styrene oxide; Enantioselectivity; Deracemization;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2011 سفارش ترجمه

Gas chromatographic enantioseparation of derivatized α-amino acids on chiral stationary phases—Past and present

Keywords: α-Amino acids; Derivatization; Gas chromatography; Enantioseparation; Enantioselectivity; Enantiomer labelling; Chiral stationary phases; Chirasil-Val; Chirasil-Dex; Racemization

دانلود رایگان متن کامل مقاله ISI 19 صفحه سال انتشار : 2011 سفارش ترجمه

Catalytic properties and potential applications of Bacillus lipases

Keywords: CTAB; cetyltrimethylammonium bromide; DEPC; diethylpyrocarbonate; DMF; dimethylformamide; DMSO; dimethylsulfoxide; DTT; dithiothreitol; E600; diethyl p-nitrophenyl phosphate; EDTA; ethylenediamine-tetraacetic acid; IMAC; immobilized metal affinity chromat

دانلود رایگان متن کامل مقاله ISI 21 صفحه سال انتشار : 2011 سفارش ترجمه

Improving the enantioselectivity of artificial transfer hydrogenases based on the biotin–streptavidin technology by combinations of point mutations

Keywords: Transfer hydrogenation; Artificial enzyme; Streptavidin; Biotin; Ruthenium complexes; Piano–stool; Evolution; Mutagenesis; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 4 صفحه سال انتشار : 2010 سفارش ترجمه

Highly enantioselective biocatalysts by coating immobilized lipases with polyethyleneimine

Keywords: Protein modification; Polymers; Enantioselectivity; Candida antarctica lipase; Candida rugosa lipase

دانلود رایگان متن کامل مقاله ISI 4 صفحه سال انتشار : 2010 سفارش ترجمه

Synthesis of Chiral Bulky Monophosphite Ligands and Their Application in Cu-Catalyzed Asymmetric Conjugate Addition of Diethylzinc to Cyclic Enones

Keywords: asymmetric 1,4-conjugate addition; bulky monophosphite; 2-cyclohexenone; diethylzinc; enantioselectivity

دانلود رایگان متن کامل مقاله ISI 4 صفحه سال انتشار : 2010 سفارش ترجمه

Chiral Brønsted acid-catalyzed regio- and enantioselective arylation of α,β-unsaturated trifluoromethyl ketones

Keywords: Chiral phosphoric acid; Arylation; α,β-Unsaturated trifluoromethyl ketones; Reduction; Enantioselectivity;

دانلود رایگان متن کامل مقاله ISI 4 صفحه سال انتشار : 2010 سفارش ترجمه

Asymmetric Hydrogenation of Benzalacetone Catalyzed by RuCl2(TPPTS)2-(S,S)-DPENDS in Water Medium

Keywords: ruthenium monophosphine complex; benzalacetone; water medium; asymmetric hydrogenation; enantioselectivity

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2010 سفارش ترجمه

Escherichia coli BioH: a highly enantioselective and organic solvent tolerant esterase for kinetic resolution of sec-alcohols

Keywords: Escherichia coli BioH; Esterase; Kinetic resolution; Enantioselectivity; Organic solvent tolerance;

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2010 سفارش ترجمه

First study on the enantioselective palladium-catalyzed C-P cross-coupling reaction between an alkenyltriflate and a phosphine-borane

Keywords: P-alkenylphosphines; Phosphine-boranes; Phosphine ligands; C-P cross-coupling; Enantioselectivity; Phosphines P-vinyliques; Phosphines borane; Ligands phosphorés; Couplage C-P; Énantiosélectivité;

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2010 سفارش ترجمه

Enantioselective hydrolysis of diethyl 3-hydroxyglutarate to ethyl (S)-3-hydroxyglutarate by immobilized Candida antarctica lipase B

Keywords: Ethyl (S)-3-hydroxyglutarate; Enantioselective hydrolysis; Uncompetitive inhibition; Enantioselectivity; Kinetic constants

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2010 سفارش ترجمه

Is amine addition vital for highly enantioselective hydrogenation of α,β-unsaturated carboxylic acid over cinchonidine-modified palladium?

Keywords: Pd/C; Enantioselectivity; Hydrogenation; Unsaturated acid; Additive

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2010 سفارش ترجمه

Asymmetric Friedel-Crafts alkylation of activated benzenes with methyl (E)-2-oxo-4-aryl-3-butenoates catalyzed by [Pybox/Sc(OTf)3]

Keywords: Asymmetric catalysis; Friedel-Crafts reaction; Enantioselectivity; PYBOX ligand; Scandium triflate;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

A theoretical investigation into chiral phosphoric acid-catalyzed asymmetric Friedel-Crafts reactions of nitroolefins and 4,7-dihydroindoles: reactivity and enantioselectivity

Keywords: Chiral phosphoric acid; Friedel-Crafts reaction; Enantioselectivity; Theoretical calculation; DFT;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Mechanisms of the α,α-diphenylprolinol trimethylsilyl ether-catalyzed enantioselective aza-Michael reaction

Keywords: Ab initio calculation; Iminol intermediate; Enantioselectivity; Michael addition; Reaction mechanism;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Highly active oligomeric Co(salen) catalysts for the asymmetric synthesis of α-aryloxy or α-alkoxy alcohols via kinetic resolution of terminal epoxides

Keywords: Ring-opening; Epoxide; Phenol; Enantioselectivity; Cooperativity

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Origin of enantioselectivity in asymmetric Pauson–Khand reactions catalyzed by [(BINAP)Co2(CO)6]

Keywords: Pauson–Khand reaction; Enantioselectivity; QM/MM methods

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Comparative study of properties of immobilized lipase onto glutaraldehyde-activated amino-silica gel via different methods

Keywords: Enzyme-aggregate coating; Lipase; Glutaraldehyde-activated amino-silica gel; Stability; Enantioselectivity; Asymmetric acylation

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Functional amino acid ionic liquids as solvent and selector in chiral extraction

Keywords: Amino acid ionic liquids; Chiral extraction; Liquid–liquid extraction; Enantioselectivity; Ligand exchange; Copper–proline complex; Distribution coefficient; Phenylalanine

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Cloning, screening and characterization of ester hydrolases with enantioselectivity in typical bacteria

Keywords: Resolution; Esterification; Hydrolysis; Ester hydrolase; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Characterization of racemization of chiral pesticides in organic solvents and water

Keywords: Chiral pesticides; Chiral stability; Racemization; Organic solvents; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2010 سفارش ترجمه

Lipase-catalyzed kinetic resolution of 2-methylene-substituted cycloalkanols in batch and continuous-flow modes

Keywords: Biotransformations; Enzyme catalysis; Acylation; Cycloalkanol; Enantioselectivity; Continuous-flow enzyme reactor

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2010 سفارش ترجمه

Total synthesis of natural (+)-hyacinthacine A6 and non-natural (+)-7a-epi-hyacinthacine A1 and (+)-5,7a-diepi-hyacinthacine A6

Keywords: Azasugars; Hyacinthacines; Enantioselectivity; Synthetic methods; Enzyme inhibitors;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2010 سفارش ترجمه

Facile one-pot approach to the synthesis of chiral periodic mesoporous organosilicas SBA-15-type materials

Keywords: Chiral PMOs; SBA-15; Tartrate derivatives; Asymmetric synthesis; Enantioselectivity

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2010 سفارش ترجمه

Lactones 34 [1]. Application of alcohol dehydrogenase from horse liver (HLADH) in enantioselective synthesis of δ- and ɛ-lactones

Keywords: Biotransformations; Horse liver alcohol dehydrogenase; Enantioselectivity; Lactones

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2010 سفارش ترجمه

Access to enantiopure aromatic epoxides and diols using epoxide hydrolases derived from total biofilter DNA

Keywords: Chiral resolution; Enantioconvergent reaction; Enantioselectivity; Metagenome; Regioselectivity

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2010 سفارش ترجمه

Constraining titanium tartrate in the interlayer space of layered double hydroxides induces enantioselectivity

Keywords: Layered double hydroxides; Titanium tartrate complex; Enantioselectivity; Sulfoxidation; Confinement effect

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2010 سفارش ترجمه

Disparity in productive binding mode of the slow-reacting enantiomer determines the novel catalytic behavior of Candida antarctica lipase B

Keywords: CALB, Candida antarctica lipase B; MM, molecular mechanics; MD, molecular dynamics; TI, tetrahedral intermediate; PBM, productive binding modeCandida antarctica lipase B; Molecular dynamics simulation; Enantioselectivity; Productive binding mode

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2010 سفارش ترجمه

Effects of porogens on the morphology and enantioselectivity of core-shell molecularly imprinted polymers with ursodeoxycholic acid

Keywords: Molecularly imprinted polymers; Porogens; UDCA; Enantioselectivity;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2010 سفارش ترجمه

Asymmetric synthesis of (S)-ethyl-4-chloro-3-hydroxy butanoate using a Saccharomyces cerevisiae reductase: Enantioselectivity and enzyme–substrate docking studies

Keywords: ECOB, ethyl-4-chloro-3-oxo butanoate; ECHB, ethyl-4-chloro-3-hydroxy butanoate; GDH, glucose dehydrogenase; NAD(P)H, nicotinamide adenine dinucleotide (phosphate); DMSO, dimethyl sulfoxide; GC, gas chromatographyReductase; Enantioselectivity; Chiral inter

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2010 سفارش ترجمه