Keywords: گروه محافظت کننده; Carbohydrates; Anomerisation; Glycoside; Lewis acid; Protecting groups; Reactivity;
مقالات ISI گروه محافظت کننده (ترجمه نشده)
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Keywords: گروه محافظت کننده; Protecting groups; Amides; Amide cleavage; Picolinic amides; Reduction; C-H activation;
Keywords: گروه محافظت کننده; LFKRBORUWRFNOU-UHFFFAOYSA-N; OCMDLUFRUHTMHB-UHFFFAOYSA-N; Protecting groups; Alcohols; Nucleosides; Tritylation; Trifluoroacetic anhydride;
Keywords: گروه محافظت کننده; Carbohydrates; Glycopeptides; Glycosylation; Protecting groups; Synthesis design;
Keywords: گروه محافظت کننده; Protecting groups; Sulfonamides; Rearrangement; Deprotonation; Synthetic strategy; Protection;
Keywords: گروه محافظت کننده; Protecting groups; Orthogonal protection; Method development
Keywords: گروه محافظت کننده; Fluorous Fmoc reagent; Protecting groups; Large scale synthesis; Combinatorial chemistry; Peptides;
Keywords: گروه محافظت کننده; 3-Aminochromenes; Protecting groups; Pyridinium salt; N-Methylpiperazine; Zincke reaction;
Keywords: گروه محافظت کننده; Organic synthesis; Protecting groups; Natural products; Protecting group-free synthesis; AIBN; azobisisobutyronitrile; 9-BBN; 9-borabicyclo[3.3.1]nonane; BER; borohydride exchange resin; BINOL; [1,1â²-binaphthalene]-2,2â²-diol; CDI; carbonyldiimidazole;
Facile synthesis of diphenylmethyl esters from 2-diphenylmethoxypyridine using catalytic boron trifluoride·diethyl etherate
Keywords: گروه محافظت کننده; Esterification; Diphenylmethyl ester; Carboxylic acid; Protecting groups;
A fast and practical synthesis of tert-butyl esters from 2-tert-butoxypyridine using boron trifluoride·diethyl etherate under mild conditions
Keywords: گروه محافظت کننده; Esterification; Tert-butyl ester; Carboxylic acid; Boron trifluoride·diethyl etherate; Protecting groups;
Developing cellulosic waste products as platform chemicals: protecting group chemistry of α-glucoisosaccharinic acid
Keywords: گروه محافظت کننده; Saccharinic acids; Isosaccharinic acid; Glucoisosaccharinic acid; Protecting groups;
Selective alkylation/oxidation of N-substituted isoindolinone derivatives: Synthesis of N-phthaloylated natural and unnatural α-amino acid analogues
Keywords: گروه محافظت کننده; Amino acids; Isoindolinones; Oxidation; Protecting groups; Non-proteinogenic;
DDQ mediated regiospecific protection of primary alcohol and deprotection under neutral conditions: Application of new p-methoxy benzyl-pixyl ether as reagent of choice for nucleoside protection
Keywords: گروه محافظت کننده; Regiosepecific; Protecting groups; Nucleosides; Dimethylpixyl protecting group; p-Methoxy benzyl pixyl ether; Benzyl-pixyl ether;
Substitution chemistry of 3,5-dichloro-4H-1,2,6-thiadiazine 4,4-ketals
Keywords: گروه محافظت کننده; Heterocyclic chemistry; C-C coupling; Protecting groups; Nucleophilic aromatic substitution;
Synthesis of AB4-type carbohydrate scaffolds as branching units in the glycosciences
Keywords: گروه محافظت کننده; Glycoclusters; Octopus glycosides; Orthogonality, multivalency; Protecting groups
A building block approach to the synthesis of a family of S-linked α-1,6-oligomannosides
Keywords: گروه محافظت کننده; Thioglycosides; Protecting groups; Glycomimetic; Neoglycoconjugates; Oligosaccharides;
In situ synthesis of 2-allyloxy-1-methylpyridinium triflate for the allylation of carboxylic acids
Keywords: گروه محافظت کننده; Esterification; Protecting groups; Oxypyridinium salt; Nucleophilic substitution; Allylation;
Conformationally restricted 3,5-O-(di-tert-butylsilylene)-d-galactofuranosyl thioglycoside donor for 1,2-cis α-d-galactofuranosylation
Keywords: گروه محافظت کننده; Glycosylation; Thioglycoside; 1,2-cis; Galactofuranose; Solvents effects; Protecting groups
Chemoselective synthesis of geminal diacetates (acylals) using eco-friendly reusable propylsulfonic acid based nanosilica (SBA-15-Ph-PrSO3H) under solvent-free conditions
Keywords: گروه محافظت کننده; Acylals; 1,1-Diacetates; Protecting groups; Solvent-free; SBA-15
Radiosynthesis of racemic and enantiomerically pure (−)-[18F]flubatine—A promising PET radiotracer for neuroimaging of α4β2 nicotinic acetylcholine receptors
Keywords: گروه محافظت کننده; Fluorine-18; Neuroimaging; α4β2 nAChR ligands; Radiosynthesis; Leaving groups; Protecting groups
Conformational studies of γ-turn in pseudopeptides containing α-amino acid and conformationally constrained meta amino benzoic acid/meta nitro aniline
Keywords: گروه محافظت کننده; mABA, m-amino benzoic acid; mNA, m-nitro aniline; Boc, tertiary butyloxy carbonyl; OMe, methoxy carbonyl; DCC, dicyclohexylcarbodiimide; HOBt, 1-hydroxy benzotriazolePseudopeptides; γ-Turn; Alanine; Protecting groups; m-Amino benzoic acid; mNA
Synthesis of novel 6-substituted sulfur-containing derivatives of pyridoxine
Keywords: گروه محافظت کننده; Pyridoxine; Nucleophilic substitution; Sulfur nucleophiles; Thioethers; Protecting groups;
Positional chemoselectivity in the Zn(II)-mediated removal of phenol protecting groups
Keywords: گروه محافظت کننده; Chemoselectivity; Phenol deprotection; Lewis acids; Protecting groups;
Scalable synthesis of substituted 2,7-dimethyl-9-phenylxanthen-9-ol (DMPx-OH): useful for the preparation of crystalline 5â²-O-DMPx-protected nucleosides
Keywords: گروه محافظت کننده; Nucleosides; Protecting groups; DMT group; Pixyl group; Dimethylpixyl group; Tris(pentafluorophenyl)borane;
A systematic study of two complementary protocols allowing the general, mild and efficient deprotection of N-pivaloylindoles
Keywords: گروه محافظت کننده; Protecting groups; Indole; Chemoselectivity; Hydride transfer; Hydrolysis; AOFRVMFRAPUKMS-UHFFFAOYSA-N; NAFAVCAVLHYJBV-UHFFFAOYSA-N; IUOQQFHFSPTAOH-UHFFFAOYSA-N; QVZGKXYWOCDMEP-UHFFFAOYSA-N; GDYNJJAAVMTFPI-UHFFFAOYSA-N;
Sulfoform generation from an orthogonally protected disaccharide
Keywords: گروه محافظت کننده; Sulfated carbohydrates; Microwave-assisted synthesis; Protecting groups; Glycosaminoglycans; Heparan sulfate
Regioselective removal of the anomeric O-benzyl from differentially protected carbohydrates
Keywords: گروه محافظت کننده; Catalytic transfer hydrogenation; Protecting groups; Carbohydrates; Benzyl; Anomeric position;
MOM-, MEM- and SEM-phenyl selenides as reagents for the protection of alcohols as alkoxymethyl ethers
Keywords: گروه محافظت کننده; O, Se acetals; Protecting groups; Selenium; Alcohols;
Stereocontrolled total synthesis of (+)-concanamycin F: the strategic use of boron-mediated aldol reactions of chiral ketones
Keywords: گروه محافظت کننده; Macrolide; Aldol reaction; Enzyme inhibitor; Stille coupling; Macrolactonisation; Protecting groups;
Glycosylation studies on conformationally restricted 3,5-O-(di-tert-butylsilylene)-d-galactofuranosyl trichloroacetimidate donors for 1,2-cis α-d-galactofuranosylation
Keywords: گروه محافظت کننده; Glycosylation; Trichloroacetimidate; 1,2-cis; Galactofuranose; Solvents effects; Protecting groups
Novel protecting groups in carbohydrate chemistry
Keywords: گروه محافظت کننده; Protecting groups; Carbohydrates; Glycosylation; Stereoselectivity; Reactivity
On the stereoselectivity of glycosidation of thiocyanates, thioimidates, and thioglycosides
Keywords: گروه محافظت کننده; Glycosylation; Stereoselectivity; Protecting groups; Glycosyl donors
Synthesis and NMR characterization of a novel crown-ether ring-fused uridine analogue
Keywords: گروه محافظت کننده; Nucleosides; Crown ether derivatives; Cyclization; Protecting groups; NMR analysis;
Preyssler heteropolyacid H14[NaP5W29MoO110]: A heterogeneous, green and recyclable catalyst used for the protection of functional groups in organic synthesis
Keywords: گروه محافظت کننده; Protecting groups; Preyssler heteropolyacids; Tetrahydropyranyl ethers; Acetylation; Benzhydryl; Aldehyde 1,1-diacetates; Diphenylmethyl (DPM) ethers; Trimethylsilyl ethers
Assessment of new 2â²-O-acetalester protecting groups for regular RNA synthesis and original 2â²-modified proRNA
Keywords: گروه محافظت کننده; RNA synthesis; Oligoribonucleotides; Protecting groups; Ribonucleosides; Acetalester groups;
A selective and operationally simple approach for removal of methoxy-, allyloxy-, and benzyloxycarbonyl groups from carbinols
Keywords: گروه محافظت کننده; Protecting groups; Alkoxycarbonyl groups; Carbohydrates; Lithium iodide;
Regioselective synthesis of syn disubstituted dibenzo-30-crown-10 ethers
Keywords: گروه محافظت کننده; Macrocycles; Crown compounds; Dibenzo-30-crown-10; Regioselectivity; Protecting groups;
On the biocatalytic cleavage of silicon–oxygen bonds: A substrate structural approach to investigating the cleavage of protecting group silyl ethers by serine-triad hydrolases
Keywords: گروه محافظت کننده; Enzymes; Protecting groups; Silylethers; Tertiary acids; Serine hydrolases
A mild, efficient, and selective procedure for transprotection of acetonides to acetates catalyzed with HClO4–SiO2
Keywords: گروه محافظت کننده; Acetals; Esterification; Esters; Heterogeneous catalysis; Protecting groups
Direct metalation of methoxymethyl arylmethyl ethers: A tin-free approach to the generation of α-alkoxyalkoxy-substituted aryllithiums
Keywords: گروه محافظت کننده; Lithiation; Regioselectivity; Funtionalized organolithiums; Acetals; Protecting groups
A facile one-pot procedure for the transformation of acetonides into diacetates catalyzed with Bi(OTf)3·xH2O
Keywords: گروه محافظت کننده; Acetal; Acetate; Acetonide; Homogeneous catalysis; Protecting groups;
Effective strategy for the systematic synthesis of hydrazine derivatives
Keywords: گروه محافظت کننده; Hydrazines; Alkylation; Metallation; Dianion; Protecting groups;
Synthesis of β-d-arabinofuranosides: stereochemical differentiation between d- and l-enantiomers
Keywords: گروه محافظت کننده; β-d-Arabinofuranoside; Glycosylation; Thioglycoside; Protecting groups
Fe(HSO4)3 as an inexpensive, eco-friendly, heterogeneous and reusable catalyst for acetal/ketal formation and their facile regeneration
Keywords: گروه محافظت کننده; Fe(HSO4)3; Protecting groups; Acetalization; Heterogeneous catalyst
Standard protecting groups create potent and selective κ opioids: Salvinorin B alkoxymethyl ethers
Keywords: گروه محافظت کننده; Salvinorin A; κ Opioid receptor; Methoxymethyl ether; Ethoxymethyl ether; 2-Fluoroethoxymethyl ether; Protecting groups
Practical synthesis of valuable d-rhamnoside building blocks for oligosaccharide synthesis
Keywords: گروه محافظت کننده; Pathogenic bacteria; Lipopolysaccharides; Exopolysaccharides; Vaccines; d-Rhamnose; Protecting groups; Building-blocks; Complex oligosaccharides;
A novel and highly efficient method for the silylation of alcohols with hexamethyldisilazane (HMDS) catalyzed by recyclable sulfonic acid-functionalized ordered nanoporous silica
Keywords: گروه محافظت کننده; Solid acids; Protecting groups; Green chemistry; Solid sulphonic acid; Hexamethyldisilazane; Catalysts;
Highly chemoselective acetalization of carbonyl compounds catalyzed by a novel recyclable ammonium triflate-functionalized silica
Keywords: گروه محافظت کننده; Solid acids; Acetalization; Protecting groups; Silica ammonium triflate; Carbonyl compounds; Interphase catalysts
Silica functionalized sulfonic acid as a recyclable interphase catalyst for chemoselective thioacetalization of carbonyl compounds in water
Keywords: گروه محافظت کننده; Solid acids; Silica sulfonic acid; Dithioacetalization; Interphase catalysts; Protecting groups; Carbonyl compounds; Water