Application of directed metalation in synthesis. Part 8: Interesting example of chemoselectivity in the synthesis of thioaurones and hydroxy ketones and a novel anionic ortho-Fries rearrangement used as a tool in the synthesis of thienopyranones and thiaf Fulltext Access 11 Pages 2005
Dibromomethane as one-carbon source in organic synthesis: total synthesis of (±)- and (â)-methylenolactocin Fulltext Access 11 Pages 2005
Asymmetric palladium-catalyzed annulation of benzene-1,2-diol and racemic secondary propargylic carbonates bearing two different substituents Fulltext Access 11 Pages 2005
Synthesis of the end-capped 5-(N,N-dimethylamino)naphthyl-1-ethynyl derivatives and their 1,4-di[5-(N,N-dimethylamino)naphthyl]-1,3-butadiynes: anti rotamer structure Fulltext Access 11 Pages 2005
Dde-protected PNA monomers, orthogonal to Fmoc, for the synthesis of PNA-peptide conjugates Fulltext Access 11 Pages 2005
Stereocontrolled palladium(0)-catalyzed preparation of unsaturated azidosugars: an easy access to 2- and 4-aminoglycosides Fulltext Access 11 Pages 2005
Experimental and theoretical FMO interaction studies of the Diels-Alder reaction of 5-acetyl-3-methythio-1,2,4-triazine with cyclic enamines Fulltext Access 11 Pages 2005
Proton affinities of ketones, vicinal diketones and α-keto esters: a computational study Fulltext Access 11 Pages 2005
Stereochemical course of the reductive spiroannulations of N-Boc and N-benzyl 2-cyanopiperidines Fulltext Access 11 Pages 2005
1,2,3-Triazoles and related glycoconjugates as new glycosidase inhibitors Fulltext Access 11 Pages 2005
Structure-driven design and synthesis of chiral dioxocyclam derivatives Fulltext Access 11 Pages 2005
Synthesis of cis bis-β-lactams via Staudinger cycloaddition reaction using C2-symmetric 1,2-diamines Fulltext Access 11 Pages 2005
Diels-Alder reactions of highly pyramidalized tricyclo[3.3.0.03,7]oct-1(5)-ene derivatives: further chemistry of pentacyclo[6.4.0.02,10.03,7.04,9]dodeca-5,8,11-triene Fulltext Access 11 Pages 2005
Electron depleted bis(methylene)cyclobutenes: sulfinyl and sulfonyl substitution Fulltext Access 11 Pages 2005
Accurate molecular weight measurements of nucleoside phosphoramidites: a suitable matrix of mass spectrometry Fulltext Access 11 Pages 2005
Microwave mediated synthesis of spiro-(indoline-isoxazolidines): mechanistic study and biological activity evaluation Fulltext Access 11 Pages 2005
Versatile strategies for the solid phase synthesis of small heterocyclic scaffolds: [1,3,4]-thiadiazoles and [1,3,4]-oxadiazoles Fulltext Access 11 Pages 2005
Synthesis of ferrocenylcarbodiimide as a convenient electrochemically active labeling reagent for nucleic acids Fulltext Access 11 Pages 2005
New acyclic receptors containing pyridazine units. The influence of Ï-stacking on the selective transport of lipophilic phenethylamines Fulltext Access 11 Pages 2005
2,2,6,6-Tetramethylcyclohexanethione S-methylide, a highly hindered thiocarbonyl ylide: two-step cycloadditions Fulltext Access 11 Pages 2005
Synthesis of regioselectively 18O-labelled chlorophyll derivatives at the 31- and/or 131-positions through one-pot exchange of carbonyl oxygen atoms Fulltext Access 11 Pages 2005
Deracemisation of aryl substituted α-hydroxy esters using Candida parapsilosis ATCC 7330: effect of substrate structure and mechanism Fulltext Access 11 Pages 2005
Evaluation of ethyl 2-carbomethoxyethenesulfinates as 2-hydroxymethyl enethiol equivalents in the Diels-Alder reaction Fulltext Access 11 Pages 2005
Epoxidation of α,β-unsaturated acids catalyzed by tungstate (VI) or molybdate (VI) in aqueous solvents: a specific direct oxygen transfer mechanism Fulltext Access 11 Pages 2005
Asymmetric synthesis using catalysts containing multiple stereogenic centres and a trans-1,2-diaminocyclohexane core; reversal of predominant enantioselectivity upon N-alkylation Fulltext Access 11 Pages 2005
Synthesis of novel N-methylated thiazole-based cyclic octa- and dodecapeptides Fulltext Access 11 Pages 2005
Synthesis of the necine bases (±)-macronecine and (±)-supinidine via an aza-ene reaction and allylsilane induced ring closure Fulltext Access 11 Pages 2005
Synthesis of the insect antifeedant CDE molecular fragment of 12-ketoepoxyazadiradione and related compounds Fulltext Access 11 Pages 2005
Charge density analysis of some processes involving intramolecular hydrogen transfer Fulltext Access 11 Pages 2005
The preparation and some chemistry of 2,2-dimethyl-1,2-dihydroquinolines Fulltext Access 11 Pages 2005
meso-Tetraaryl-7,8-diol-21,23-dithiachlorins and their pyrrole-modified derivatives: a spectroscopic comparison to their aza-analogues Fulltext Access 11 Pages 2005
Orthogonality and compatibility between Tsc and Fmoc amino-protecting groups Fulltext Access 11 Pages 2005
Photo-irradiation of α-halo carbonyl compounds: a novel synthesis of α-hydroxy- and α,αâ²-dihydroxyketones Fulltext Access 11 Pages 2005
Asymmetric transfer hydrogenation using amino acid derivatives; further studies and a mechanistic proposal Fulltext Access 11 Pages 2005
Chiral NADH model systems functionalized with Zn(II)-cyclen as flavin binding site Fulltext Access 11 Pages 2005
Self-assembly of a new series of quadruply hydrogen bonded heterotrimers driven by the donor-acceptor interaction Fulltext Access 11 Pages 2005
Synthesis of polyanionic glycopolymers for the facile assembly of glycosyl arrays Fulltext Access 11 Pages 2005
Diastereoselectivity in addition of nitrile-stabilized carbanions to Schiff bases and in subsequent alkylation reactions Fulltext Access 11 Pages 2005
Inter- and intramolecular Mitsunobu reaction based approaches to 2-substituted chromans and chroman-4-ones Fulltext Access 11 Pages 2005
New antiproliferative 14,15-secopregnane glycosides from Solenostemma argel Fulltext Access 11 Pages 2005
Imidazo[1,5-a]pyridine-3-ylidenes—pyridine derived N-heterocyclic carbene ligands Fulltext Access 11 Pages 2005
Facile oxidative conversion of alcohols to esters using molecular iodine Fulltext Access 11 Pages 2005
The effect of pre-existing stereocenters in the intramolecular asymmetric Stetter reaction Fulltext Access 11 Pages 2005
Synthesis of mono- and di-substituted 2,4,5-trifluorobenzoic acid synthons, key precursors for biologically active 6-fluoroquinolones Fulltext Access 11 Pages 2005
New reactivity patterns in activated indoles with 2-methyl substituents Fulltext Access 11 Pages 2005
The study of reaction mechanism for the transformation of nitronate into nitrile by phosphorus trichloride Fulltext Access 11 Pages 2005
On the reactivity of ascomycin at the binding domain. Part 3: Reactivity of the binding domain towards diazomethane Fulltext Access 11 Pages 2005
PtCl2-mediated cycloisomerization of unsaturated propargylic carboxylates Fulltext Access 11 Pages 2005
Investigating direct routes to an advanced intermediate for the synthesis of C-20 diterpene alkaloids Fulltext Access 11 Pages 2005
Efficient chemoselective deprotection of silyl ethers using catalytic 1-chloroethyl chloroformate in methanol Fulltext Access 11 Pages 2005
Synthesis and glycosidase inhibitory activity of new penta-substituted C8-glycomimetics Fulltext Access 11 Pages 2005
Synthesis of multivalent neoglycoconjugates by 1,3 dipolar cycloaddition of nitrile oxides and alkynes and evaluation of their lectin-binding affinities Fulltext Access 11 Pages 2005
Microwave-assisted organic synthesis: scale-up of palladium-catalyzed aminations using single-mode and multi-mode microwave equipment Fulltext Access 11 Pages 2005
Atom-transfer radical reactions catalyzed by a coordinatively unsaturated diruthenium amidinate, [(η5-C5Me5)Ru(μ2-i-PrNC(Me)Ni-Pr)Ru(η5-C5Me5)]+ Fulltext Access 11 Pages 2005
Design, synthesis and biological evaluation of novel 1α,25-dihydroxyvitamin D3 analogues possessing aromatic ring on 2α-position Fulltext Access 11 Pages 2005
An unexpected highly diastereoselective double Baylis-Hillman reaction of per- (or poly)fluorophenyl aromatic aldimines with methyl vinyl ketone Fulltext Access 11 Pages 2005
Syntheses of (±)-thuriferic acid ethyl ester, its analogues and (±)-picropodophyllone Fulltext Access 11 Pages 2005
Enantioselective synthesis of axially chiral 1-(1-naphthyl)isoquinolines and 2-(1-naphthyl)pyridines through sulfoxide ligand coupling reactions Fulltext Access 11 Pages 2005
Synthesis of 4,8-anhydro-d-glycero-d-ido-nonanitol 1,6,7-trisphosphate as a novel IP3 receptor ligand using a stereoselective radical cyclization reaction based on a conformational restriction strategy Fulltext Access 11 Pages 2005
Regioselective opening of an oxirane system with trifluoroacetic anhydride. A general method for the synthesis of 2-monoacyl- and 1,3-symmetrical triacylglycerols Fulltext Access 11 Pages 2005
Synthesis of polystyrene-bound perfluoroalkyl sulfonic acids and the application of their ytterbium salts in multicomponent reactions (MCRs) Fulltext Access 11 Pages 2005
Stereoselective synthesis of new modified conformationally constrained l-tyrosine analogue with potential applications to SH2 domain ligands Fulltext Access 11 Pages 2005
Zinc templated synthesis—a route to get metal ion free tripodal ligands and lariat coronands, containing Schiff bases Fulltext Access 11 Pages 2005
The stereoselective synthesis of α-substituted β-amino secondary alcohols based on the proline-mediated, asymmetric, three-component Mannich reaction and its application to the formal total synthesis of nikkomycins B and Bx Fulltext Access 12 Pages 2005
A new class of readily available and conformationally rigid phosphino-oxazoline ligands for asymmetric catalysis Fulltext Access 12 Pages 2005
Synthesis of two glycolipid antigens of the causative agent of Lyme disease Fulltext Access 12 Pages 2005
Diastereoselective synthesis of new polyhydroxylated indolizidines from (l)-glutamic acid Fulltext Access 12 Pages 2005
Polyisobutylene supports-a non-polar hydrocarbon analog of PEG supports Fulltext Access 12 Pages 2005
A facile and efficient synthesis of enyne-reaction precursors by multicomponent reactions Fulltext Access 12 Pages 2005
Synthesis of the phthalide-containing anti-Helicobacter pylori agents CJ-13,015, CJ-13,102, CJ-13,103, CJ-13,104 and CJ-13,108 Fulltext Access 12 Pages 2005
An efficient synthesis of benzofurans and their application in the preparation of natural products of the genus Calea Fulltext Access 12 Pages 2005
Conformational studies of N-carbomethoxy-2-alkoxyindolenines by dynamic NMR, crystallography, and molecular mechanics Fulltext Access 12 Pages 2005
New developments in the synthesis of pyrrolizidinone-based dipeptide isosteres Fulltext Access 12 Pages 2005
Facile synthesis and optical resolution of inherently chiral fluorescent calix[4]crowns: enantioselective recognition towards chiral leucinol Fulltext Access 12 Pages 2005
Cu-mediated Stille reactions of sterically congested fragments: towards the total synthesis of zoanthamine Fulltext Access 12 Pages 2005
Reaction of methyl (2E)-3-dimethylamino-2-(1H-indol-3-yl)-propenoate with ureas: facile entry into the polycyclic meridianin analogues with uracil structural unit Fulltext Access 12 Pages 2005
Synthesis, characterization and ion transportation studies of some novel cyclophane amides Fulltext Access 12 Pages 2005
Novel photo-induced oxidative cyclization of 1,3-dimethyl-5-(1-arylmethylidene)pyrimidine-2,4,6(1,3,5H)-triones: synthesis and properties of areno[5,6]pyrano[2,3-d]pyrimidine-2,4(1,3H)-dionylium ions and their photo-induced autorecycling oxidizing reactio Fulltext Access 12 Pages 2005
Molecular recognition of biotin, barbital and tolbutamide with new synthetic receptors Fulltext Access 12 Pages 2005