Listar QUIO_Articles por fecha de publicación
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Perceptible Influence of Pd and Pt Heterocyclic Carbene–Pyridyl Complexes in Catalytic Diboration of Cyclic Alkenes
Wiley-VCH (2010)Bis(catecholato)diboron was added to cyclic alkenes with internal strain to selectively form bis(boryl)cycloalkanes quantitatively in the presence of [Pd(NHC)pyCl2], [Pd(NHC)pyI2], and [Pt(NHC)pyI2] (NHC=N-heterocyclic ... -
Coordination of Cu2+ Ions to C2 Symmetric Pseudopeptides Derived from Valine
American Chemical Society (2010)The acid−base and coordination properties of a family of pseudopeptidic ligands with C2 symmetry derived from valine (4a−e) have been studied using a variety of techniques as a model for metal coordination in peptides and ... -
Iron(II) Complexes Bearing Chelating Cyclopentadienyl-N-Heterocyclic Carbene Ligands as Catalysts for Hydrosilylation and Hydrogen Transfer Reactions
American Chemical Society (2010)A series of piano-stool iron(II) complexes bearing bidentate cyclopentadienyl-functionalized N-heterocyclic carbene ligands (Cp-NHC)Fe(CO)I (Cp = substituted and unsubstituted cyclopentadienyl) have been prepared upon ... -
One-Pot Preparation of Imines from Nitroarenes by a Tandem Process with an Ir–Pd Heterodimetallic Catalyst
Wiley-VCH (2010)A new tandem catalytic process has been studied for a heterodimetallic complex containing both iridium and palladium fragments connected by a 1,2,4-trimethyltriazolyldiylidene ligand. The process implies the unprecedented ... -
(n6-arene)Ru(bis-NHC) complexes for the reduction of CO2 to formate with hydrogen and by transfer hydrogenation with iPrOH
Royal Society of Chemistry (2010)A series of bis-NHC-complexes of Ru and Ir have been tested in the reduction of carbon dioxide to formate. The use of one of the ‘(η6-arene)Ru(bis-NHC)’ complexes (labeled as 1 in the text) in the reduction of carbon dioxide ... -
An Ir–Pt Catalyst for the Multistep Preparation of Functionalized Indoles from the Reaction of Amino Alcohols and Alkynyl Alcohols
Wiley-VCH (2010)The 1,2,4-trimethyltriazolylidene (ditz) ligand allows the preparation of homo- and heterodimetallic complexes of Pt2 and Ir–Pt. These two complexes have been characterized by means of spectroscopic and diffractommetric ... -
(η6-Arene)ruthenium(N-heterocyclic carbene) Complexes for the Chelation-Assisted Arylation and Deuteration of Arylpyridines: Catalytic Studies and Mechanistic Insights
Wiley-VCH (2010)A series of (η6-arene)ruthenium complexes have been tested in the arylation of arylpyridines. One (η6-p-cymene)ruthenium(N-heterocyclic carbene) complex (labelled as 1 in the text) was found to be the most effective, being ... -
Chiral bis(amino amides) as chiral solvating agents for enantiomeric excess determination of α-hydroxy and arylpropionic acids
Elsevier (2010)A family of bis(amino amides) derived from natural amino acids has been synthesized and tested for the NMR enantiodiscrimination, as chiral solvating agents, for enantiomeric excess determination of some carboxylic acids. ... -
EuIII-Doping of Lamellar Bilayer and Amorphous Mono-Amide Cross-Linked Alkyl/Siloxane Hybrids
Wiley-VCH (2010)Two structurally different but chemically similar families of alkyl/siloxane mono-amidosil hosts, represented by m-A(x) [where x = 14 or 8 represents the number of CH2 groups of the pendant alkyl chains directly bonded to ... -
Red ceramic pigments of terbium-doped ceria prepared through classical and non-conventional coprecipitation routes
Elsevier (2010)Reddish ceramic pigments based on cerianite compositions Ce1−xTbxO2 (x = 0.1, 0.2 and 0.3) and Ce0.9Tb0.05Y0.05O2 have been prepared. Firstly, the optimal composition giving the best red colour was selected (Ce0.9Tb0.1O2) ... -
The high affinity dopamine uptake inhibitor, JHW 007, blocks cocaine-induced reward, locomotor stimulation and sensitization
Elsevier (2010)The discovery and evaluation of high affinity dopamine transport inhibitors with low abuse liability is an important step toward the development of efficacious medications for cocaine addiction. We examined in mice the ... -
Blue-violet ceramic pigments based on Co and Mg Co2−xMgxP2O7 diphosphates
Elsevier (2010)Solid solutions of Co and Mg diphosphates with compositions Co2−xMgxP2O7 (x = 0, 0.1, 0.2, 0.3, 0.5, 0.7, 1.0, 1.5 and 1.8) have been prepared and characterized for the first time as alternative low-toxicity blue ceramic ... -
A formal, stereoselective synthesis of the natural tetrahydropyran derivative ophiocerin D
Elsevier (2010)A short, formal stereoselective synthesis of the naturally occurring tetrahydropyran derivative ophiocerin D is reported. The four stereocenters of the molecule were created with the aid of two Sharpless asymmetric ... -
Selective and highly efficient dye scavenging by a pH-responsive molecular hydrogelator
Royal Society of Chemistry (2010)A structurally simple low molecular weight hydrogelator derived from isophthalic acid forms robust pH-responsive hydrogels capable of highly efficient and selective dye adsorption. -
A simple peptidomimetic that self-associates on the solid state to form a nanoporous architecture containing chiral π-channels
Royal Society of Chemistry (2010)The crystal structure of a simple peptidomimetic compound, derived from phenylalanine, shows the formation of a nanoporous architecture containing monodimensional p-channels with the aromatic rings as the exclusive ... -
Nanocasted mesoporous nanocrystalline ZnO thin films
Elsevier (2010)For the first time the formation of photoluminescent mesoporous ZnO thin films with high optical quality and low refractive index is reported. They have been thoroughly characterized via the use of a large set of modern ... -
Voltage-Dependent Low-Field Bulk Resistivity in BaTiO3:Zn Ceramics
American Ceramic Society (2010-02)Ceramics of composition Ba(Ti1−xZnx)O3−x: 0.00003≤x≤0.01 exhibit modest semiconductivity, whose value is increased by up to two orders of magnitude under the action of a small dc bias voltage. The effect, which is not ... -
HRMAS 1H NMR as a tool for the study of supramolecular gels
Royal Society of Chemistry (2010-03-30)HRMAS 1H NMR is reported for the first time as a useful technique to gain insight into the dynamic properties of aggregates present in supramolecular gels. The study of several low molecular weight gelators with this ... -
Structurally disfavoured pseudopeptidic macrocycles through anion templation
Royal Society of Chemistry (2010-08-23)An anionic dicarboxylate is able to template the formation of geometrically disfavoured macrocycles from a dynamic covalent mixture of open chain oligoimines. -
New insights on the structural and optical properties of Ce–Ti mixed oxide nanoparticles doped with praseodymium
Royal Society of Chemistry (2010-10-26)Nanostructured, doped Ce–Ti mixed oxides are potential materials for several applications such as pigments, catalysis, fuel cells, optical films, and gas sensors. In this article, a series of Pr-doped Ce–Ti oxides have ...