Listar QUIO_Articles por título
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A bioinspired approach toward efficient supramolecular catalysts for CO2 conversion
Elsevier (2022-12-21)Nature uses enzymes for affording astonishingly efficient chemical transformations with high chemo-, regio-, and stereoselectivity (e.g., carbonic anhydrase for CO2 conversion). Such sophisticated biomolecules lead to ... -
A Chalcone-Based Highly Selective and Sensitive Chromofluorogenic Probe for Trivalent Metal Cations
Wiley (2017)A new chalcone-based probe for the chromofluorogenic sensing of trivalent (Al3+, Fe3+, Cr3+, Ga3+, In3+ and As3+) over mono- and divalent cations and anions is reported. In the presence of trivalent metal cations, the probe ... -
A Combined Experimental and Theoretical Study of the Polar [3 + 2] Cycloaddition of Electrophilically Activated Carbonyl Ylides with Aldehydes and Imines
American Chemical Society (2009)Numerous 2,5-diaryl-1,3-dioxolane-4,4-dicarbonitriles and 2,4-diphenyl-1,3-oxazolidine-5,5-dicarbonitriles have been synthesized by [3 + 2] cycloaddition reactions between carbonyl ylides generated from epoxides and aldehydes ... -
A corannulene-based metallobox for the encapsulation of fullerenes
Royal Society of Chemistry (2024-07-16)A corannulene-bis-N-imidazolium salt was used for the synthesis of two corannulene-bis-N-heterocyclic carbenes of dirhodium(I) complexes of formula (corannulene-di-NHC)[RhCl(COD)]2 and (corannulene-di-NHC)[RhCl(CO)2]2. ... -
A cost-effective combination of Rose Bengal and off-the-shelf cationicpolystyrene for the photodynamic inactivation ofPseudomonas aeruginosa
Elsevier (2020)Two new photoactive materials have been prepared, characterized and tested againstPseudomonas aeruginosabacteria (planktonic suspension). The synthesis of the polymeric photosensitizers can be made at a multigramscale, in ... -
A dopamine transport inhibitor with markedly low abuse liability suppresses cocaine self-administration in the rat
Springer-Verlag (2009)RATIONALE N-substituted benztropine analogs are potent dopamine uptake inhibitors that display pharmacokinetic/dynamic properties consistent with the profile of a substitute medication for cocaine addiction. OBJECTIVES The ... -
A Dual Stimuli Responsive Supramolecular Gel Provides Insulin Hydrolysis Protection and Redox-Controlled Release of Actives
Wiley (2020)Two supramolecular hydrogelators containing a central disulfide moiety and terminal carboxylic acid groups are studied. On the one hand, the hydrogels are responsive to a reductive environment, which transforms the disulfide ... -
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 ... -
A Green Approach for Producing Solvent-free Anisyl Acetate by Enzymecatalyzed Direct Esterification in Sponge-like Ionic Liquids Under Conventional and Microwave Heating
Bentham Science Publishers (2014)The biocatalytic synthesis of anisyl acetate fragrance was carried out by direct esterification of acetic acid with anisyl alcohol in sponge-like ionic liquids (SLILs), e.g. N,N,N,N-hexadecyltrimethylammonium bis(trifluo ... -
A Hemilabile and Cooperative N-Donor-Functionalized 1,2,3-Triazol-5-Ylidene Ligand for Alkyne Hydrothiolation Reactions
Wiley (2017)A series of novel cationic and neutral Rh complexes with an N-donor-functionalized 1,2,3-triazol-5-ylidene (TRZ) ligand (in which the pendant N donor is NHBoc, NH2, or NMe2) is described. The catalytic activity of these ... -
A highly photostable and versatile two-photon fluorescent probe for the detection of a wide range of intracellular nitric oxide concentrations in macrophages and endothelial cells
Elsevier (2022-07-15)Nitric oxide (NO) is involved in many biological processes affecting the cardiovascular, nervous and immune systems. Intracellular NO can be monitored using fluorescent probes in combination with fluorescence imaging ... -
A minimalistic catalytically-active cell mimetic made of a supra-molecular hydrogel encapsulated into a polymersome
Royal Society of Chemistry (2020)A minimalistic multicomponent cell mimetic is described consisting of a fibrillar network formed by the self-assembly of a low molecular weight compound (cytoskeleton-like) that is entrapped into a polymersome (membrane-like), ... -
A New Approach to the Reduction of Carbon Dioxide: CO2 Reduction to Formate by Transfer Hydrogenation in iPrOH
American Chemical Society (2010)A series of four Ir and Ru catalysts have been tested in the reduction of CO2 to formate in the presence of H2. The iridium catalysts containing the basic NHC ligands were the ones to show better catalytic activities, ... -
A new series of environment-friendly reddish inorganic pigments based on AFeO3 (A = Ln, Y) with high NIR solar reflectance
Elsevier (2021-02-11)Environment-friendly pigments based onAFeO3(A¼La, Pr, Nd, Sm, Gd, Tb, Y or Yb) with high near-infrared (NIR) reflectance were synthesised by a coprecipitation method at 1200 C. The Rietveldrefinement analysis showed ... -
A novel approach to obtain highly intense self-activated photoluminescence emissions in hydroxyapatite nanoparticles
Elsevier (2017-05)Defect-related photoluminescence (PL) in materials have attracted interest for applications including near ultraviolet (NUV) excitable light-emitting diodes and in biomedical field. In this paper, hydroxyapatite [Ca10(PO4)6(OH)2] ... -
A photobleaching resistant polymer supported hexanuclear molybdenum iodide cluster for photocatalytic oxygenations and photodynamic inactivation of staphylococcus aureus
The Royal Society of Chemistry (2016-08)The ability of a hexanuclear molybdenum cluster, [Mo6I8(CH3COO)6]2-, to carry out, upon irradiation, singlet oxygen mediated photocatalytic oxygenation reactions has been tested. This complex has been also supported on a ... -
A photoinduced electron transfer-based nanoprobe as a marker of acidic organelles in mammalian cells
Springer (2013-07)Photoinduced electron transfer (PET)-based molecular probes have been successfully used for the intracelular imaging of the pH of acidic organelles. In this study, we describe the synthesis and characterization of a novel ... -
A practical procedure of low valent tin mediated Barbier allylation of aldehydes in wet solvent
Elsevier (2013-11)Use of aluminium as the reducing metal in spontaneous bimetal redox reaction has been elegantly exploited for allylation/crotylation of aldehydes in wet solvent. Here, low valent tin was prepared in situ by reduction of ... -
A pyrene-based N‑heterocyclic carbene: study of its coordination chemistry and stereoelectronic properties
American Chemical Society (2014)A new pyrene-N-heterocyclic carbene ligand has been obtained and coordinated to rhodium and iridium, affording the corresponding [MCl(NHC)(COD)] and [MCl(NHC)(CO)2] complexes (M = Ir, Rh). The presence of the pyrene ... -
A resorcinarene-based tetrabenzoimidazolylidene complex of rhodium
Royal Society of Chemistry (2020-03-14)A tetrabenzoimidazolium-resorcinarene cavitand was used for the preparation of a tetra-benzoimidazolylidene of rhodium, which is unprecedented in the field of poly-NHC metal complexes. Both, the experimental and computational ...