Keywords: سنتز Diastereoselective; Chiral auxiliaries; Diastereoselective synthesis; Alkylation reactions; Chiral carboxylic acids; Allylic strain;
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Palladium-catalyzed diastereoselective synthesis of β,β-diarylpropionic acid derivatives and its application to the total synthesis of (R)-tolterodine and the enantiomer of a key intermediate for MK-8718
Keywords: سنتز Diastereoselective; Palladium-catalyzed; Diastereoselective synthesis; β,β-Diarylpropionic acid derivatives; (R)-Tolterodine; MK-8718;
Diastereoselective synthesis of β-amino ketone and acid derivatives by palladium-catalyzed conjugate addition
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; β-Amino ketone; β-Amino acid; Palladium-catalyzed;
Diastereoselective synthesis of polyfluoroalkylated α-aminophosphonic acid derivatives
Keywords: سنتز Diastereoselective; Optically active α-aminophosphonates; Polyfluoroalkylated aminophosphonic acids; Iminophosphonates; Polyfluoroalkyl; Diastereoselective synthesis; Reduction;
An efficient one-pot, multi-component diastereoselective synthesis of functionalized cyclopenta[c]chromenes
Keywords: سنتز Diastereoselective; Multi-component reaction; Diastereoselective synthesis; Coumarin derivatives; Cyclopenta[c]chromenes; 2-(1-(2-Oxo-2H-chromen-3-yl)alkylidene)malononitriles;
First diastereoselective synthesis of perfluoroalkylated cis-spiropyrido[2,1-a]isoquinoline-1,5'-pyrimidines
Keywords: سنتز Diastereoselective; Multicomponent reaction (MCR); Fused-isoquinoline; Barbiturate; Perfluoroalkyl-substituted; Diastereoselective synthesis;
Diastereoselective synthesis of dihydroindolizin-3(2H)-one derivatives via catalytic sulfur-Michael addition triggered intramolecular tandem sequence
Keywords: سنتز Diastereoselective; Michael addition; Tandem sequence; Dihydroindolizidine; Diastereoselective synthesis;
Gram scale synthesis of functionalized and optically pure Feringa's motors
Keywords: سنتز Diastereoselective; Molecular motors; Diastereoselective synthesis; Orthogonal protecting groups; Gram-scale synthesis;
Highly diastereoselective synthesis of tertiary alcohols via intramolecular Baylis-Hillman reaction using less reactive acrylamides as activated alkenes and ketones as electrophiles
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; Intramolecular Baylis-Hillman reaction; α-Methylene-γ-lactam framework; Tertiary alcohols;
Synthesis of dihydrofurans using nano-CuFe2O4@Chitosan
Keywords: سنتز Diastereoselective; Nano-CuFe2O4@Chitosan; Nanocatalyst; Dihydrofurans; Diastereoselective synthesis; One-pot;
Roof shape chiral alcohol: auxiliary for asymmetric synthesis of α-halo acid derivatives
Keywords: سنتز Diastereoselective; Roof shape chiral alcohol; Chiral auxiliary; α-Halo acid derivative; Diastereoselective synthesis; Dynamic kinetic resolution;
Phosphine-catalyzed synthesis of β-lactones from ketenes and chiral β-oxyaldehydes
Keywords: سنتز Diastereoselective; β-Lactones; Ketenes; Phosphine; Diastereoselective synthesis; Chiral aldehydes;
Diastereoselective total synthesis of piperidine alkaloids: (2R,5R)-5-hydroxyhomopipecolic acid and (2R,5R,8R)-5-hydroxysedamine
Keywords: سنتز Diastereoselective; 2,5-Disubstituted piperidines; Alkaloids; 5-Hydroxyhomopipecolic acid; 5-Hydroxysedamine; Diastereoselective synthesis;
Diversity oriented concise asymmetric synthesis of azasugars: a facile access to l-2,3-trans-3,4-cis-dihydroxyproline and (3S,5S)-3,4,5-trihydroxypiperidine
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; Azasugar; Wittig reaction; Sharpless dihydroxylation; Pyrrolidine and piperidine;
A short diastereoselective synthesis of cis-(2S,4S) and cis-(2R,4R)-4-hydroxyprolines
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; cis-4-Hydroxyproline; Diastereoselective epoxide opening; Six membered transition state; Zinc and magnesium enolates;
Scalable synthesis of (â)-trans-3-hydroxypipecolic acid via a useful chiral building block
Keywords: سنتز Diastereoselective; Amino alcohol; Diastereoselective synthesis; Hydroxypipecolic acid;
A highly diastereoselective five-component synthesis of 1-(alkylimino)-5,5-dicyano-3a-aryloctahydro-3-oxacyclobuta[cd]pentalene-1a,2,5a,5b(2H,3aH)-tetracarboxylates
Keywords: سنتز Diastereoselective; Isocyanides; Dialkyl acetylenedicarboxylates; Phenacyl bromides; Multicomponent reactions; 3-Oxacyclobuta[cd]pentalenes; Diastereoselective synthesis;
Diastereoselective addition of some carbanions to an optically active trifluoromethyl imine derivative
Keywords: سنتز Diastereoselective; Trifluoromethyl; 2-Ethoxy-1-phenylethyl-1-imine; Trifluoroacetaldehyde; Hetero Diels-Alder addition; Mannich reaction; Diastereoselective synthesis;
TiCl4 mediated preparation of (E)-non-conjugated homoallylic alcohols with α-substituted allylsilanes
Keywords: سنتز Diastereoselective; Allylation; Allylsilane; Olefination; Natural products; Diastereoselective synthesis;
Conformation of gem-disubstituted alkylarylpiperidines and their implication in design and synthesis of a conformationally-rigidified NK1 antagonist
Keywords: سنتز Diastereoselective; Piperidine conformation; NMR study on conformation; Piperidine synthesis; Diastereoselective synthesis; NK1 antagonists;
Diastereoselective syntheses via Prins cyclization, crystal structures determination and theoretical studies of cis-2,6-diphenyl-4-hydroxytetrahydropyran and analogues
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; Prins cyclization reaction; Tetrahydropyranyl derivatives; Crystal structures determination; DFT
Concise synthesis of zanamivir and its C4-thiocarbamido derivatives utilizing a [3+2]-cycloadduct derived from d-glucono-δ-lactone
Keywords: سنتز Diastereoselective; Zanamivir; Sialic acid derivative; d-Glucono-δ-lactone; 1,3-Dipolar cycloaddition; Diastereoselective synthesis;
l-Proline-catalyzed diastereoselective synthesis of cis-isoquinolonic acids and evaluation of their neuroprotective effects
Keywords: سنتز Diastereoselective; l-Proline; Isoquinolonic acids; Multi-component reaction; Diastereoselective synthesis; Neuroprotective effects;
A diastereoselective synthesis of (1SR,3SR,7RS)-3-methyl-α-himachalene, the sex pheromone of the sandfly, Lutzomyia longipalpis (Diptera: Psychodidae)
Keywords: سنتز Diastereoselective; 3-Methyl-α-himachalene; α-Himachalene; Lutzomyia longipalpis; Sex pheromone; Diastereoselective synthesis;
Diastereoselective synthesis of trisubstituted piperidines: a versatile synthon for elaboration of uncommon poly(aza)heterocyclic structures
Keywords: سنتز Diastereoselective; β,βâ²-Diaminoketals; Diastereoselective synthesis; Octahydro-2H-pyrrolo-[3,4-b]-pyridine; Intramolecular Mannich reaction; Intramolecular Michael addition;
Microwave-assisted aza-Prins reaction. Part 1: facile preparation of natural-like 3-azabicyclo[3.3.1]non-6-enes
Keywords: سنتز Diastereoselective; Microwave-assisted organic synthesis; aza-Prins reaction; Diastereoselective synthesis; Bicyclic piperidines; Lycopodium alkaloids; Complexity-generating synthesis;
Blocking group-directed diastereoselective total synthesis of (±)-α-noscapine
Keywords: سنتز Diastereoselective; Noscapine; Phthalide-3-carboxylic acid; Blocking group; Total synthesis; Diastereoselective synthesis;
Geminal dialkyl derivatives of N-substituted pantothenamides: Synthesis and antibacterial activity
Keywords: سنتز Diastereoselective; Antibiotic; Pantothenamide; Diastereoselective synthesis; Resistance
Short synthesis of noscapine, bicuculline, egenine, capnoidine, and corytensine alkaloids through the addition of 1-siloxy-isobenzofurans to imines
Keywords: سنتز Diastereoselective; Antitumoral agent; Diastereoselective synthesis; Siloxyfuran; Iminium ion; GABA;
Synthesis and cytotoxic evaluation of β-alkyl or β-aryl-δ-methyl-α-methylene-δ-lactones. Comparison with the corresponding γ-lactones
Keywords: سنتز Diastereoselective; α-Methylene-γ-lactones; α-Methylene-δ-lactones; Horner–Wadsworth–Emmons reaction; Diastereoselective synthesis; Cytotoxic activity
Addition of γ-silyloxyallyltins on ethyl glyoxylate: evaluation of the influence of the experimental conditions on the stereochemical course of the reaction
Keywords: سنتز Diastereoselective; γ-Silyloxyallyltributyltins; Ethyl glyoxylate; Allylstannation; Diastereoselective synthesis; Reaction mechanisms;
The first regio- and diastereoselective direct introduction of α-mercaptoacetic acid/amide units into Morita-Baylis-Hillman acetates
Keywords: سنتز Diastereoselective; Morita-Baylis-Hillman reaction; α-Mercapto acids; α-Mercapto amides; SN2â² reaction; Regioselective; Diastereoselective synthesis;
Lewis acid mediated diastereoselective keto-ene cyclization on chiral perhydro-1,3-benzoxazines: synthesis of enantiopure cis-3,4-disubstituted 3-hydroxypyrrolidines
Keywords: سنتز Diastereoselective; Carbonyl-ene cyclization; Chiral 3-hydroxypyrrolidines; Perhydro-1,3-benzoxazines; Diastereoselective synthesis; Lewis acids;
Diastereoselective synthesis of (R)-(alkyl)-β-d-galactopyranoside by using β-galactosidase (Aspergillus oryzae) in low-water media
Keywords: سنتز Diastereoselective; Glycoconjugates; Galactoside synthesis; β-Galactosidase; Reverse hydrolysis; Low-water media; Diastereoselective synthesis
The diastereoselective synthesis of methyl 5-deoxy-5-(dialkylphosphono)-5-(dialkylphosphorylamido)-2,3-O-isopropylidene-β-d-ribofuranosides
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; α-Amino phosphonate; Mannich-type reaction; Acetyl chloride;
Thiourea to bicyclic scaffolds: highly regio- and stereoselective routes to dithiazolopyrimidines
Keywords: سنتز Diastereoselective; Microwaves; Thiourea; Diastereoselective synthesis; Dithiazolopyrimidines; Michael addition;
A versatile approach to pyrrolidine azasugars and homoazasugars based on a highly diastereoselective reductive benzyloxymethylation of protected tartarimide
Keywords: سنتز Diastereoselective; Azasugars; DAB 1; LAB 1; 6-Deoxy-DMDP; epi-Radicamine B; Alkaloids; Pyrrolidine; Hydroxymethylation; Diastereoselective synthesis;
Synthesis and properties of a diastereopure ionic liquid with planar chirality
Keywords: سنتز Diastereoselective; Chiral recognition; Cyclophane; Diastereoselective synthesis; Ionic liquid; Planar chirality;
Efficient highly diastereoselective synthesis of 1,8a-dihydro-7H-imidazo[2,1-b][1,3]oxazines
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; Pyridine carboxaldehydes; Acetylenic esters; 1-Alkyl imidazoles; 1,8a-Dihydro-7H-imidazo[2,1-b][1,3]oxazines;
Remote stereocontrol using (E)-6-hydroxy-4-methylhex-2-enyl(tri-n-butyl)stannane
Keywords: سنتز Diastereoselective; Allyltin; Remote stereocontrol; Diols; Diastereoselective synthesis
10b-Substituted hexahydropyrrolo-isoquinolines: studies on diastereoselective formation of a quaternary carbon stereocenter via N-acyliminium ion cyclization
Keywords: سنتز Diastereoselective; N-Acyliminium ion cyclization; Diastereoselective synthesis; Isoquinoline alkaloids;
Diastereoselective formation of cyclochiral amino acids-substituted resorcin[4]arenes
Keywords: سنتز Diastereoselective; Cyclochirality; Diastereoselective synthesis; X-ray structure; Resorc[4]arenes;
A convenient access to thermodynamically nonstabilised spiroketal isomers: the first synthesis of (Z)-7-methyl-1,6-dioxaspiro[4.5]decane
Keywords: سنتز Diastereoselective; Spiroketals; α-Alkynones; Diastereoselective synthesis; Nonstabilised isomers;
Diastereoselective synthesis of α,β-unsaturated systems
Keywords: سنتز Diastereoselective; Functionalized tellurides; Cyanocuprates; α,β-Unsaturated esters; α,β-Unsaturated ketones; Diastereoselective synthesis;
Synthesis of the insect antifeedant CDE molecular fragment of 12-ketoepoxyazadiradione and related compounds
Keywords: سنتز Diastereoselective; Limonoids; Antifeedant; Azadiradione; Diastereoselective synthesis;
Diastereoselective synthesis of new polyhydroxylated indolizidines from (l)-glutamic acid
Keywords: سنتز Diastereoselective; Diastereoselective synthesis; Chiral pool; Amino acid; Swainsonine's and Lentiginosine's analogues;