Die Inhaltsverzeichnisse werden automatisch erzeugt und basieren auf den im Index des TIB-Portals verfügbaren Einzelnachweisen der enthaltenen Beiträge. Die Anzeige der Inhaltsverzeichnisse kann daher unvollständig oder lückenhaft sein.
Inhaltsverzeichnis
763
Ring-strain effects on the oxidation potential of enediynes and enediyne complexes Synthetic, electrochemical, and computational studies establish a relationship between conjugated enediyne ring-strain and the electronic properties of enediynes and cyclopentadienyliron-enediyne complexes, such as the complex shown
Baldridge, K. K.
/ Donovan-Merkert, B. T.
/ O Connor, J. M.et al.
| 2003
Synthesis of glycosyl derivatives as dopamine prodrugs: interaction with glucose carrier GLUT-1 The syntheses and biological activities of dopamine glycoconjugates aiming to target the neurotransmitter into the brain are described
Fernandez, C.
/ Nieto, O.
/ Fontenla, J. A.et al.
| 2003
A convenient route to the furopyran core of dysiherbaine The furo[3,2-b]pyran nucleus, an important element in many pharmacologically active compounds, has been synthesised by a convenient route
Neoglycoconjugates from synthetic tetra- and hexasaccharides that mimic the terminus of the O-PS of Vibrio cholerae O:1, serotype Inaba The tetra- and the hexasaccharide that mimic the upstream terminus of the O-specific polysaccharide of Vibrio cholerae O:1, serotype Inaba, were synthesized in the form of 5-methoxycarbonylpentyl glycosides, and linked to BSA using squaric acid diester chemistry
Mimics of ganglioside GM1 as cholera toxin ligands: replacement of the GalNAc residue GlcNAc-containing mimics of ganglioside GM1 are as potent as their GalNAc counterparts in binding to cholera toxin
Bernardi, A.
/ Arosio, D.
/ Manzoni, L.et al.
| 2003
Novel synthesis of 3,4-dihydro-5-bromo[1,4]oxazin-2-one derivatives, new protease inhibitor scaffold Synthesis of novel 5-bromooxazinones and their inhibitory activities on alpha-chymotrypsin
Reactivity studies of 3-alkoxy-7-amino-4-chloroisocoumarins (beta-amyloid peptide inhibitors) versus different classes of amines Versatility of the 3-alkoxy-7-amino-4-chloroisocoumarin scaffold versus different classes of amines
Rigidified multivalent lactose molecules and their interactions with mammalian galectins: a route to selective inhibitors Novel rigid multivalent lactose molecules show high inhibitory power with galectin-3, but not with galectins-1 and 5
Vrasidas, I.
/ Andre, S.
/ Valentini, P.et al.
| 2003
Bicyclic nucleosides; stereoselective dihydroxylation and 2'-deoxygenation A series of hydroxylated conformationally restricted bicyclic nucleosides were obtained from stereoselective dihydroxylation reactions and an optimized 2'-deoxygenation
Carboxylations of alkali metal phenoxides with carbon dioxide The formation of carboxylic acids (ca. 20% yield at room temperature) is competitive with that of an alkali metal-CO~2 complex, which is not an intermediate of the carboxylic acids but thermally decomposes to phenoxide
An alternative synthesis of 2-(N-arylhydrazono)-1-benzothiophen-3-ones New unequivocal synthetic route utilizing readily available and inexpensive reactants
Zahra, J. A.
/ Thaher, B. A. A.
/ El-Abadelah, M. M.et al.
| 2003
Synthesis of 6H-pyrrolo[3',4':2,3][1,4]diazepino[6,7,1-hi]-indole-8,10(7H,9H)-diones using 3-bromo-4-(indol-1-yl)-maleimide scaffold Under the action of acids, 3-arylalkyl- or 3-alkylamino-4-(indol-1-yl)maleimides and bis(indol-1-yl)maleimides form diazepines[1,4] with annelated indoline and maleimide, which upon dehydrogenation produced the corresponding indolomaleimidodiazepines[1,4]
Lakatosh, S. A.
/ Luzikov, Y. N.
/ Preobrazhenskaya, M. N.et al.
| 2003
Studies on the Lewis acid mediated cleavage of α-aminoacetals: synthesis of novel 1,2-aminoethers, and evidence for α-alkoxy aziridinium ion intermediates
Graham, Mark A.
/ Wadsworth, Alan H.
/ Zahid, Abdulet al.
| 2003
Studies on the Lewis acid mediated cleavage of alpha-aminoacetals: synthesis of novel 1,2-aminoethers, and evidence for alpha-alkoxy aziridinium ion intermediates The TMSOTf-mediated nucleophilic cleavage of alpha-amino acetals occurs via addition to an alpha-oxocarbenium ion or alpha-alkoxy aziridinium ion, depending on the nature of the nucleophile used
Graham, M. A.
/ Wadsworth, A. H.
/ Zahid, A.et al.
| 2003
A convenient parallel synthesis of low molecular weight hydroxamic acids using polymer-supported 1-hydroxybenzotriazole A synthesis of hydroxamic acids combining the advantages inherent to both solid- and polymer assisted solution-phase methods is described
Devocelle, M.
/ McLoughlin, B. M.
/ Sharkey, C. T.et al.
| 2003
Preparation of hexaaza and heptaaza macrocycles functionalized with a single aminoalkyl pendant arm Monofunctionalized hexaaza and heptaaza macrocycles have been prepared on a multi-gram scale by carrying out the Richman-Atkins cyclization in the presence of caesium carbonate
Zhang, Z.
/ Mikkola, S.
/ Lonnberg, H.et al.
| 2003
Kinetics and mechanism of the cyclization of omega-(p-nitro-phenyl)-hydantoic acid amides: steric hindrance to proton transfer causes a 10^4-fold change in rate Removal of N-methyl accelerates hydrolysis 14000-fold by easing frontal water attack of the shielded amino group in the tetrahedral intermediate
Angelova, V. T.
/ Kirby, A. J.
/ Koedjikov, A. H.et al.
| 2003
Kinetics and mechanism of the cyclization of ω-(p-nitrophenyl)-hydantoic acid amides: steric hindrance to proton transfer causes a 104-fold change in rate
Angelova, Violina T.
/ Kirby, Anthony J.
/ Koedjikov, Asen H.et al.
| 2003
Metal-catalyzed hydroxylaminolysis of unactivated amide and peptide bonds Zn(II) accelerates the cleavage of glycine peptides and glycinamide by hydroxylamine reducing their half-lives to several hours in neutral solutions at temperatures between 50 and 60^oC
Encapsulation of sodium nimesulide and precursors in beta-cyclodextrin Experimental and theoretical (ab initio) methods have been used to study the inclusion complexation behaviour of diphenyl ether derivatives in beta-cyclodextrin
Braga, S. S.
/ Ribeiro-Claro, P.
/ Pillinger, M.et al.
| 2003
Synthesis, characterization and coordination chemistry of the new tetraazamacrocycle 4,10-dimethyl-1,4,7,10-tetraazacyclododecane-1,7-bis(methanephosphonic acid monoethyl ester) dipotassium salt
Synthesis, characterization and coordination chemistry of the new tetraazamacrocycle 4,10-dimethyl-1,4,7,10-tetraaza-cyclododecane-1,7-bis(methanephosphonic acid monoethyl ester) dipotassium salt The new hexadentate macrocycle ligand, Me~2DO2PME, based on the cyclen skeleton, is synthesized and its complexation properties with Cu^2^+, Zn^2^+, Gd^3^+, and Ca^2^+ions are studied
Bianchini, C.
/ Giambastiani, G.
/ Laschi, F.et al.
| 2003
Diazacoronand linked beta-cyclodextrin dimer complexes of Brilliant Yellow tetraanion and their sodium(I) analogues Two new diazacoronand linked beta-cyclodextrin dimers were synthesised and their complexation with Brilliant Yellow studied with 2D NMR in aqueous solution
West, L. C.
/ Wyness, O.
/ May, B. L.et al.
| 2003