Keywords: کمکی کیرال; Photoreaction; Photocycloaddition; Diastereoselectivity; Chiral auxiliary; Hydrogen bonding;
مقالات ISI کمکی کیرال (ترجمه نشده)
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Keywords: کمکی کیرال; Atorvastatin; Aldol; Chiral auxiliary; Syn 1,3-diol; Diastereoselectivity;
Keywords: کمکی کیرال; 2-Alkylpyridines; Chiral auxiliary; Trifluoromethyl; Nucleophilic addition; Asymmetric;
Keywords: کمکی کیرال; Amylose; Asymmetric reaction; Cellulose; Chiral auxiliary; Polysaccharides;
Induction of asymmetry on the [4+3] cycloaddition reaction of C2-functionalized furans
Keywords: کمکی کیرال; [4+3]-cycloaddition; oxyallyl cation; syn-anti; endo-exo; Ï-facial diastereoselectivity; chiral auxiliary; furan;
FeCl3·6H2O catalyzed diastereoselective synthesis of (L)-menthyl 4-oxo-2-arylpiperidine-3-carboxylates
Keywords: کمکی کیرال; Catalysis; Cyclization; Chiral auxiliary; aza-Michael addition; Lewis acid;
A highly efficient stereoselective synthesis of β-lactams
Keywords: کمکی کیرال; Chiral auxiliary; Asymmetric Mannich-type reaction; β-Lactam; One-pot; Stereoselectivity;
Hypervalent iodine(III) catalyzed radical hydroacylation of chiral alkylidenemalonates with aliphatic aldehydes under photolysis
Keywords: کمکی کیرال; Photolysis; Hydroacylation; Hypervalent iodine reagents; Chiral auxiliary; Radical reaction;
Roof shape chiral alcohol: auxiliary for asymmetric synthesis of α-halo acid derivatives
Keywords: کمکی کیرال; Roof shape chiral alcohol; Chiral auxiliary; α-Halo acid derivative; Diastereoselective synthesis; Dynamic kinetic resolution;
Asymmetric glycolate alkylation approach towards total synthesis of 8-O.6â² and 8-O.4â²-neolignans
Keywords: کمکی کیرال; Chiral auxiliary; Glycolate alkylation; Stereoselectivity; 8-O.4â²-neolignans; Virolongin B;
A highly efficient and enantioselective synthesis of EEHP and EMHP: intermediates of PPAR agonists
Keywords: کمکی کیرال; Chiral auxiliary; Glycolate alkylation; Stereoselectivity; EEHP; PPAR agonists;
Stereoselective synthesis of six stereoisomers of inherently chiral methoxy-propoxy-butoxy-methoxycarbonylmethoxy-tert-butylcalix[4]arene
Keywords: کمکی کیرال; ALUAWXGSUXBBPO-UUVONXHBSA-N; HAJLKVFESITZJQ-CXOVKITESA-N; BEEOYRQGCIZFGJ-CXOVKITESA-N; QXYHFVFADRDSDR-CXOVKITESA-N; VKUMBDRMBKPKIY-UUVONXHBSA-N; DHLQUHJOYMHPPS-UUVONXHBSA-N; Calixarenes; Inherent chirality; Chiral auxiliary;
Imidazolidinone based chiral auxiliary mediated acetate aldol reactions of isatin derivatives and stereoselective synthesis of 3-substituted-3-hydroxy-2-oxindoles
Keywords: کمکی کیرال; Chiral auxiliary; Acetate aldol reaction; Stereoselectivity; Flustraminol; Alline;
Desymmetrization of myo-inositol derivatives by lanthanide catalyzed phosphitylation with C2-symmetric phosphites
Keywords: کمکی کیرال; Inositol; Phosphorylation; Diphosphoinositol polyphosphates; Chiral auxiliary; Phosphite;
Studies towards development of asymmetric double-Mannich reactions of chiral 2-oxocyclohexanecarboxylate derivatives with bis(aminol)ethers
Keywords: کمکی کیرال; Double-Mannich reaction; Chiral auxiliary; Bis(aminol)ether; N,O-Acetals; Azabicyclo[3.3.1]nonane;
Synthesis of 3-azabicyclo[3.1.0]hexanes by insertion of cyclopropylmagnesium carbenoids into an intramolecular C-H bond adjacent to a nitrogen atom
Keywords: کمکی کیرال; 1,5-C-H Insertion; Cyclopropylmagnesium carbenoid; 3-Azabicyclo[3.1.0]hexane; 1-Chlorocyclopropyl p-tolyl sulfoxide; Sulfoxide/magnesium exchange; Chiral auxiliary;
Synthesis of α-chiral-β,γ-unsaturated carboxylic acid derivatives using chiral auxiliaries
Keywords: کمکی کیرال; Chiral auxiliary; Diastereoselective alkylation; Pseudoephedrine; Oxazolidinone;
Zinc promoted asymmetric propargylation of N-(2-chlorotetrafluoroethanesulfin)imines
Keywords: کمکی کیرال; 2-Chlorotetrafluoroethanesulfinimine; Homopropargylamine; Chiral auxiliary; Asymmetric synthesis; Fluorine
The preparation of novel chiral auxiliaries SAMIQ/RAMIQ and their application in the asymmetric Michael addition
Keywords: کمکی کیرال; Chiral auxiliary; SAMIQ/RAMIQ; Asymmetric Michael addition;
2-Chlorotetrafluoroethanesulfinamide induced asymmetric vinylogous Mannich reaction
Keywords: کمکی کیرال; 2-Chlorotetrafluoroethanesulfinamide; Vinylogous Mannich reaction; Chiral auxiliary; Asymmetric synthesis;
Stereoselective syntheses of substituted succinic acid derivatives of the iron chiral auxiliary [(η5-C5H5)Fe(CO)(PPh3)]
Keywords: کمکی کیرال; Chiral auxiliary; Succinic acids; Stereoselective synthesis; Enolate alkylation; Conjugate addition;
Stereoselective synthesis of (S)-dapoxetine: a chiral auxiliary mediated approach
Keywords: کمکی کیرال; Asymmetric reaction; Acetate aldol; Dapoxetine; Chiral auxiliary;
(S)-4-Trimethylsilyl-3-butyn-2-ol as an auxiliary for stereocontrolled synthesis of salinosporamide analogs with modifications at positions C2 and C5
Keywords: کمکی کیرال; Salinosporamide A; Proteasome inhibitor; Mukaiyama aldol reaction; Chiral auxiliary;
Synthesis of fluorine-containing α-amino acids in enantiomerically pure form via homologation of Ni(II) complexes of glycine and alanine Schiff bases
Keywords: کمکی کیرال; Fluorine-containing amino acids; Asymmetric synthesis; Deracemization; d-Amino acids; Chiral auxiliary; Organometallic compounds;
High diastereoselective vinylogous Mannich reaction induced by O-pivaloylated d-galactosylamine as the chiral auxiliary: stereoselective synthesis of 8-arylazocan-2-one
Keywords: کمکی کیرال; Vinylogous Mannich reaction; Carbohydrate; Chiral auxiliary; Stereoselective synthesis; 8-Arylazocan-2-one
Chemical resolution of enantiomers of 3,4-dihydropyrimidin-2(1H)-ones using chiral auxiliary approach
Keywords: کمکی کیرال; DHPM; Calcium channel modulator; Diastereomer; Enantiomer; Chiral auxiliary; Circular dichroism;
Influence of chiral thiols on the diastereoselective synthesis of γ-lactams from cyclic anhydrides
Keywords: کمکی کیرال; Thiol; Chiral auxiliary; Lactam; Multi-component reaction;
Dynamic resolution of α-halo chiral esters for the synthesis of 3-substituted piperazin-2-ones
Keywords: کمکی کیرال; Piperazinone; Asymmetric synthesis; Chiral auxiliary; Dynamic resolution; Nucleophilic substitution;
Stereoselective synthesis of C1-C9 and C9-C17 fragments of (+)-13-deoxytedanolide
Keywords: کمکی کیرال; (+)-13-Deoxytedanolide; Cytotoxicity; Evans' aldol; Chiral auxiliary; Cross-metathesis; Yamaguchi macrolactonization; Regioselective Sharpless asymmetric dihydroxylation;
Diastereoselective electrophilic α-amination of camphor N1-acyl N2-phenylpyrazolidinones: the metal enolate-dependent synthesis of two possible hydrazide diastereomers
Keywords: کمکی کیرال; Amination; Reversal of stereoselectivity; Chiral auxiliary;
Stereoselective α-alkylation of methyl 6-deoxy-3,4-di-O-(tert-butyldimethylsilyl)-2-O-(2-methyl-3-oxobutanoyl)-α-d-glucopyranoside
Keywords: کمکی کیرال; α-Alkylation; Asymmetric synthesis; Carbohydrates; Chiral auxiliary; Stereoselective synthesis;
Synthesis of a simple chiral auxiliary derived from levoglucosenone and its application in a Diels-Alder reaction
Keywords: کمکی کیرال; Levoglucosenone; Chiral auxiliary; Diels-Alder; Hydrogen transfer;
Photochemical studies on exo-bicyclo[2.1.1]hexyl and bicyclo[3.1.0]hexyl aryl ketones: two approaches for synthesis of enantiomerically enriched cyclopentene derivatives
Keywords: کمکی کیرال; Photochemical synthesis; Cyclopentene; Norrish type II; Chiral auxiliary;
Synthesis of new chiral cis-3-aminoazetidines and their use in catalytic asymmetric reactions
Keywords: کمکی کیرال; cis-3-Aminoazetidines; Chiral auxiliary; Synthesis; Catalytic activity
Stereoselective synthesis of 10,14-dimethyloctadec-1-ene, 5,9-dimethyloctadecane, and 5,9-dimethylheptadecane, the sex pheromones of female apple leafminer
Keywords: کمکی کیرال; Apple leafminer pheromone; Chiral auxiliary; Evans alkylation; TosMIC alkylation and reduction;
Cascade enantioselective synthesis of γ-aryl-γ-butyrolactones with a delayed stereoselective step
Keywords: کمکی کیرال; Enantioselective synthesis; γ-Aryl-γ-butyrolactones; Chiral auxiliary; Diastereotopic carbocation;
Rhodium-catalyzed Reformatsky-type reaction for asymmetric synthesis of difluoro-β-lactams using menthyl group as a chiral auxiliary
Keywords: کمکی کیرال; Fluorine; Rhodium; Difluoro-β-lactam; Imine; Diethylzinc; Chiral auxiliary; Reformatsky-type reaction;
A concise and efficient route to the Alzheimer's therapeutic agent (R)-arundic acid
Keywords: کمکی کیرال; Alzheimer; Camphor; Chiral auxiliary; Diastereoselective; Asymmetric alkylation;
Novel Method for the Enantioselective Synthesis of β-Lactams
Keywords: کمکی کیرال; β-Lactams; Enantioselective; Chiral auxiliary; Reformatsky reaction;
Novel stereoselective synthesis of all four diastereomers of 3a-methyl-pyrrolo[3,4-c]piperidine from glycine ethyl ester
Keywords: کمکی کیرال; Bicyclic heterocyclic compounds; Piperidines; Asymmetric synthesis; Hydrogenation; Chiral auxiliary;
Exploring structural effects of levoglucosenone derived chiral auxiliaries in asymmetric Diels-Alder cycloadditions
Keywords: کمکی کیرال; Levoglucosenone; Chiral auxiliary; Diels-Alder; Cycloadditions; Acrylate;
Exploiting π shielding interactions of η6 arene chromium (0) complexes: New auxiliaries derived from the biogenic chiral pool
Keywords: کمکی کیرال; Chiral auxiliary; Chiral pool; Chromium (0) arene complexes
Application of axially dissymmetric ligand recoverable with fluorous solvent as a chiral auxiliary
Keywords: کمکی کیرال; Aldol reaction; Axially dissymmetric ligand; Chiral auxiliary; Propanoic ester; Benzaldehyde; (Ra)-(R)2-2,2′-Bis(1-hydroxy-1H-perfluorooctyl)biphenyl; Fluorine; Perfluoroheptyl
Diastereoselective allylation of α-ketoamides bearing camphor N-tosylpyrazolidinone auxiliary: efficient synthesis of highly optically active two stereoisomers
Keywords: کمکی کیرال; Allylation; Reversal of stereoselectivity; Chiral auxiliary;
Asymmetric syntheses of N-substituted α-amino esters via dynamic kinetic resolution of α-haloacyl diacetone-d-glucose
Keywords: کمکی کیرال; Dynamic kinetic resolution; Asymmetric syntheses; Nucleophilic substitution; Carbohydrate; Chiral auxiliary;
Conformationally controlled (entropy effects), stereoselective vibrational quenching of singlet oxygen in the oxidative cleavage of oxazolidinone-functionalized enecarbamates through solvent and temperature variations
Keywords: کمکی کیرال; Chiral auxiliary; Conformational effects; E/Z isomers; Mechanism; Photooxygenation; Substituent effects; Stereoselectivity; Vibrational quenching;
Auxiliary strategies for the preparation of β-amino alcohols with reductive cross-coupling and a synthesis of (â)-cytoxazone
Keywords: کمکی کیرال; Reductive cross-coupling; N-tert-Butanesulfinyl imine; Chiral auxiliary; Cytoxazone; Pinacol;
Synthetic studies of pestalotiopsin A: asymmetric synthesis of the 2-oxabicyclo[3.2.0]heptane substructure
Keywords: کمکی کیرال; Cyclobutane; [2+2] Cycloaddition; Chiral auxiliary;
Practical optical resolution of dl-muscone using tartaric acid derivatives as a chiral auxiliary
Keywords: کمکی کیرال; (R)-(â)-Muscone; Optical resolution; Chiral auxiliary;
Exploiting Ï-shielding interactions: a highly selective chiral auxiliary derived from a biogenic building block
Keywords: کمکی کیرال; Diels-Alder; Cycloaddition; Ï-shielding; Chiral auxiliary;