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Interplay between hydrophilic and hydrophobic interactions in the self-assembly of a gemini amphiphilic pseudopeptide: from nano-spheres to hydrogels
(The Royal Society of Chemistry, 2012-02)
The formation of soluble nano-spheres or stable hydrogels through the self-assembling of a simple gemini amphiphilic pseudopeptide can be controlled by the tuning of the hydrophilic/hydrophobic interactions in aqueous medium.
Selective catechol-triggered supramolecular gel disassembly
(Royal Society of Chemistry, 2010)
Supramolecular gels formed by an isonicotinic acid derivative in
toluene are selectively disassembled in the presence of catechol.
The results represent a unique example of molecular recognition
associated to gel rupture ...
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 ...
Photoluminescence Enhancement of CdSe Quantum Dots: A Case of Organogel–Nanoparticle Symbiosis
(American Chemical Society, 2012)
Highly fluorescent organogels (QD–organogel), prepared by combining a pseudopeptidic macrocycle and different types of CdSe quantum dots (QDs), have been characterized using a battery of optical and microscopic techniques. ...
Fluorescence of 1,2-Diaminoanthraquinone and its Nitric Oxide Reaction Product within Macrophage Cells
(Wiley-VCH, 2011)
Nitric oxide (NO) is involved in many biological processes. Aromatic ortho-diamine derivatives are commonly used in the fluorescence imaging of NO in living cells. ortho-diamino (o-diamino) compounds are believed to react ...
Synthesis and biological properties of the cytotoxic 14-membered macrolides aspergillide A and B
(Wiley, 2010-11-09)
Total, stereoselective syntheses of the naturally occurring, cytotoxic macrolides aspergillide A and B are described. Olefin metatheses and asymmetric allylations were key steps in the synthetic sequences. Cytotoxicity ...
Shvo’s catalyst and [IrCp*Cl2(amidine)] effectively catalyze the formation of tertiary amines from the reaction of primary alcohols and ammonium salts
(Wiley, 2011-08-04)
The reaction of (pentamethylcyclopentadienyl)iridium dichloride dimer, [IrCp*Cl2]2, with bis(2,4,6-trimethylphenyl)formamidine allows the preparation of two new [IrCp*Cl2(amidine)] and [IrCp*Cl(amidinate)] complexes, which ...
Cuestiones previas en Aula Virtual en los laboratorios de Química Orgánica
(Colegio Oficial de Químicos de Galicia, 2023-05-18)
En las prácticas de laboratorio de las
asignaturas de Química Orgánica es habitual
introducir en el guion de prácticas una serie de
preguntas previas que acompañan a la
descripción de los experimentos y
procedimientos ...
Molecular recognition of N-protected dipeptides by pseudopeptidic macrocycles: a comparative study of the supramolecular complexes by ESI-MS and NMR
(Royal Society of Chemistry, 2010)
The molecular recognition properties of pseudopeptidic macrocycles have been studied by ESI-MS and NMR spectroscopy, as highly complementary experimental techniques in solution and in the gas phase. We used ESI-MS competition ...
Polymorphism and Dielectric Properties of Nb-Doped BaTiO3
(Wiley, 2008-01)
A working subsolidus phase diagram for the system BaTiO3–Ba5Nb4O15 has been determined by firing sol–gel-synthesized samples over a range of temperatures. The main difference from previous diagrams is the greater extent ...