0000000000307238

AUTHOR

Katherine Chulvi

showing 18 related works from this author

BODIPY dyes functionalized with 2-(2-dimethylaminophenyl)ethanol moieties as selective OFF–ON fluorescent chemodosimeters for the nerve agent mimics …

2014

[EN] Two OFF-ON fluorescent chemodosimeters based on a BODIPY core for the detection of nerve agent mimics have been synthesized. Their reactivity towards diethylcyanophosphonate (DCNP) and diisopropylfluorophosphate (DFP) has been tested in organic and aqueous phase. These chemodosimeters selectively detect the nerve agent mimics with good LODs. The chemodosimeters hold their sensing properties on solid supports, allowing the preparation of a hand held sensing kit. The sensing in solid-liquid phase has been demonstrated. The X-ray structure of compound 2 has been resolved.

General Chemical EngineeringBiological Warfare Agentschemistry.chemical_compoundOrganophosphorus HydrolasemedicineOrganic chemistryReactivity (chemistry)Nerve agentEthanolDmmp DetectionQUIMICA INORGANICAOptical-PropertiesAqueous two-phase systemGeneral ChemistryCombinatorial chemistryFluorescenceElectrochemical gas sensorchemistryAcetylcholinesteraseSpectroscopic PropertiesBODIPYPhotonic CrystalBiosensorElectrochemical SensorDerivativesBiosensormedicine.drugRSC Adv.
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Structure and Conformational Studies of Aza-Crown 8-Amino-BODIPY Derivatives: Influence of Steric Hindrance on Their Photophysical Properties

2017

Herein, we report the synthesis, X-ray crystal structure and photophysical studies of six new 8-amino-BODIPY derivatives containing crown or azo-crown ether moieties. The influence of steric hindrance, caused by the crown ether, on the planarity of the BODIPY core and its relationship with the fluorescent properties has been established. 1H NMR spectroscopic studies were undertaken to clarify the changes in fluorescence observed in the presence of ZnII.

chemistry.chemical_classificationSteric effectsConformational change010405 organic chemistryChemistryStereochemistryOrganic ChemistryEtherCrystal structure010402 general chemistry01 natural sciencesCrown Compounds0104 chemical scienceschemistry.chemical_compoundstomatognathic systemProton NMRPhysical and Theoretical ChemistryBODIPYCrown etherEuropean Journal of Organic Chemistry
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Halogen-containing BODIPY derivatives for photodynamic therapy

2019

Abstract Two iodinated (1 and 2) and two brominated (3 and 4) BODIPY-based photosensitizers are prepared and characterized using slightly modified synthetic procedures previously described. 1–4 present intense absorption bands in the 510–540 nm interval and very weak emissions due to the presence of halogen atoms in their structure. Irradiation of aqueous solutions of 1–4 with visible light (wavelength > 475 nm) induce the generation of singlet oxygen with quantum yields of ca. 0.62–0.66 for the photosensitizers containing iodine atoms (1 and 2) and of ca. 0.16–0.21 for the brominated counterparts (3 and 4). In vitro studies carried out with HeLa, SCC-13 and HaCaT cell lines and the four ph…

Aqueous solutionbiologySinglet oxygenProcess Chemistry and TechnologyGeneral Chemical Engineeringmedicine.medical_treatmentPhotodynamic therapy02 engineering and technology010402 general chemistry021001 nanoscience & nanotechnologybiology.organism_classificationPhotochemistry01 natural sciences0104 chemical sciencesHeLachemistry.chemical_compoundHaCaTchemistryHalogenmedicineBODIPY0210 nano-technologyVisible spectrumDyes and Pigments
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Crystal structure of 4-{2-[4-(di­methyl­amino)­phen­yl]diazen-1-yl}-1-methyl­pyridinium iodide

2015

The molecular geometry of the ionic title compound, C14H17N4+·I−or DAZOP+·I−, is essentially featureless. Regarding the crystal structure, in addition to the obvious cation–anion Coulombic interactions, the packing is mostly directed by non-covalent interactions involving both ring systems, as well as the iodide anion. It consists of cationic molecules aligned along [101] and disposed in an antiparallel fashion while linked into π-bonded dimeric entities by a stacking contact involving symmetry-related phenyl rings, with a centroid–centroid distance of 3.468 (3) Å and a slippage of 0.951 Å. The dimers are, in addition, sustained by a number of C—H...I and I...π (I...centroid = 3.876 Å) inte…

crystal structureC—H⋯ π inter­actionsIodideStackingIonic bondingNanotechnologyCrystal structureRing (chemistry)NLOlcsh:Chemistrychemistry.chemical_compoundGeneral Materials SciencePi interactionI⋯π inter­action[DAZOP+][I−]chemistry.chemical_classificationdyeChemistryCrystal structureCationic polymerizationGeneral ChemistryCondensed Matter PhysicsC—H... π interactionsData ReportsI...π interactionCrystallographyπ–π inter­actionlcsh:QD1-999π–π interactionPyridinium
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Discrimination of nerve gases mimics and other organophosphorous derivatives in gas phase using a colorimetric probe array.

2012

A colorimetric array for the chromogenic discrimination of organophosphorous derivatives in gas phase has been developed. The array allows us to classify the nerve agent simulants DFP, DCP and DCNP.

Chemical warfare agentsNerve gasesSensitivity and SpecificityCatalysisGas phaseQUIMICA ORGANICAOrganophosphorus CompoundsMaterials ChemistryChemical Warfare AgentsChromogenic detectionPROYECTOS DE INGENIERIAChromatographyChemistryChromogenicSensorsQUIMICA INORGANICAMetals and AlloysGeneral ChemistrySurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsProbe arrayRecognitionMultivariate AnalysisCeramics and CompositesColorimetryGasesDCNPChemical communications (Cambridge, England)
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Concentration depending fluorescence of 8-(di-(2-picolyl)) aminoBODIPY in solution

2014

[EN] An 8-dipicolylBODIPY derivative has been prepared and its photophysical properties evaluated under different conditions. Two different structures, hemicyanine and cyanine, are observed (depending on the solvent or the solution concentration). The hemicyanine form is not emissive whereas the cyanine form is fluorescent. This behavior is related with the planarity degree of the BODIPY core. The X-ray structure of the compound is reported and it shows that in solid state the hemicyanine form is present. The hemicyanine form seems to be stabilized by aggregation and is the main compound in concentrated solutions whereas the cyanine form is present in diluted solutions that are photochemica…

Photophysical stabilityOrganic ChemistrySolid-state8-DipicolylBODIPYCyanine formPhotochemistryBiochemistryFluorescencePlanarity testingSolventchemistry.chemical_compoundCocentration influencechemistryDrug DiscoveryBODIPYCyanineDerivative (chemistry)Hemicyanine form
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CCDC 1819378: Experimental Crystal Structure Determination

2018

Related Article: Mónica Gorbe, Ana M. Costero, Félix Sancenón, Ramón Martínez-Máñez, Rafael Ballesteros-Cillero, Luis. E. Ochando, Katherine Chulvi, Raúl Gotor, Salvador Gil|2019|Dyes Pigm.|160|198|doi:10.1016/j.dyepig.2018.08.007

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters2-bromo-55-difluoro-1379-tetramethyl-10-phenyl-5H-4lambda55lambda5-dipyrrolo[12-c:2'1'-f][132]diazaborinineExperimental 3D Coordinates
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CCDC 1549738: Experimental Crystal Structure Determination

2017

Related Article: Ana M. Costero, María L. Betancourt-Mendiola, Pablo Gaviña, Luis E. Ochando, Salvador Gil, Katherine Chulvi and Eduardo Peña-Cabrera|2017|Eur.J.Org.Chem.|2017|6283|doi:10.1002/ejoc.201701016

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters17-bis(55-difluoro-dipyrrolo[12-c:2'1'-f][132]diazaborinin-10-yl)-14710-tetraazacyclododecane dimethyl sulfoxide solvateExperimental 3D Coordinates
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CCDC 966420: Experimental Crystal Structure Determination

2014

Related Article: María de Lourdes Betancourt-Mendiola, Eduardo Peña-Cabrera, Salvador Gil, Katherine Chulvi, Luis E. Ochando, Ana M. Costero|2014|Tetrahedron|70|3735|doi:10.1016/j.tet.2014.03.095

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters(2-((bis(pyridin-2-ylmethyl)amino)(2H-pyrrol-2-ylidene)methyl)-1H-pyrrol-1-yl)-difluoro-boronExperimental 3D Coordinates
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CCDC 1549735: Experimental Crystal Structure Determination

2017

Related Article: Ana M. Costero, María L. Betancourt-Mendiola, Pablo Gaviña, Luis E. Ochando, Salvador Gil, Katherine Chulvi and Eduardo Peña-Cabrera|2017|Eur.J.Org.Chem.|2017|6283|doi:10.1002/ejoc.201701016

Space GroupCrystallographyCrystal SystemCrystal StructureCell ParametersN-((1471013-pentaoxacyclopentadecan-2-yl)methyl)-55-difluoro-5H-4l45l4-dipyrrolo[12-c:2'1'-f][132]diazaborinin-10-amineExperimental 3D Coordinates
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CCDC 1549736: Experimental Crystal Structure Determination

2017

Related Article: Ana M. Costero, María L. Betancourt-Mendiola, Pablo Gaviña, Luis E. Ochando, Salvador Gil, Katherine Chulvi and Eduardo Peña-Cabrera|2017|Eur.J.Org.Chem.|2017|6283|doi:10.1002/ejoc.201701016

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters10-(55-difluoro-5H-4l45l4-dipyrrolo[12-c:2'1'-f][132]diazaborinin-10-yl)-147-trioxa-10-azacyclododecaneExperimental 3D Coordinates
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CCDC 1549739: Experimental Crystal Structure Determination

2017

Related Article: Ana M. Costero, María L. Betancourt-Mendiola, Pablo Gaviña, Luis E. Ochando, Salvador Gil, Katherine Chulvi and Eduardo Peña-Cabrera|2017|Eur.J.Org.Chem.|2017|6283|doi:10.1002/ejoc.201701016

Space GroupCrystallographyCrystal System716-bis(55-difluoro-5H-45-dipyrrolo[12-c:2'1'-f][132]diazaborinin-10-yl)-141013-tetraoxa-716-diazacyclooctadecaneCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1819380: Experimental Crystal Structure Determination

2018

Related Article: Mónica Gorbe, Ana M. Costero, Félix Sancenón, Ramón Martínez-Máñez, Rafael Ballesteros-Cillero, Luis. E. Ochando, Katherine Chulvi, Raúl Gotor, Salvador Gil|2019|Dyes Pigm.|160|198|doi:10.1016/j.dyepig.2018.08.007

28-dibromo-55-difluoro-1379-tetramethyl-10-phenyl-5H-4lambda55lambda5-dipyrrolo[12-c:2'1'-f][132]diazaborinineSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1549737: Experimental Crystal Structure Determination

2017

Related Article: Ana M. Costero, María L. Betancourt-Mendiola, Pablo Gaviña, Luis E. Ochando, Salvador Gil, Katherine Chulvi and Eduardo Peña-Cabrera|2017|Eur.J.Org.Chem.|2017|6283|doi:10.1002/ejoc.201701016

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parametersdifluoro{13-[(1H-pyrrol-2-yl)(2H-pyrrol-2-ylidene)methyl]-14710-tetraoxa-13-azacyclopentadecanato}boronExperimental 3D Coordinates
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CCDC 982038: Experimental Crystal Structure Determination

2014

Related Article: Raúl Gotor, Pablo Gaviña, Luis E. Ochando, Katherine Chulvi, Alejandro Lorente, Ramón Martínez-Máñez, Ana M. Costero|2014|RSC Advances|4|15975|doi:10.1039/C4RA00710G

Space GroupCrystallographyCrystal System(2-(4-(dimethylamino)-4'-((35-dimethyl-1H-pyrrol-2-yl)(35-dimethyl-2H-pyrrol-2-ylidene)methyl)biphenyl-3-yl)ethanolato)(difluoro)boronCrystal StructureCell ParametersExperimental 3D Coordinates
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CCDC 1819379: Experimental Crystal Structure Determination

2018

Related Article: Mónica Gorbe, Ana M. Costero, Félix Sancenón, Ramón Martínez-Máñez, Rafael Ballesteros-Cillero, Luis. E. Ochando, Katherine Chulvi, Raúl Gotor, Salvador Gil|2019|Dyes Pigm.|160|198|doi:10.1016/j.dyepig.2018.08.007

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters55-difluoro-2-iodo-1379-tetramethyl-10-phenyl-5H-6lambda55lambda5-dipyrrolo[12-c:2'1'-f][132]diazaborinineExperimental 3D Coordinates
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CCDC 1549734: Experimental Crystal Structure Determination

2017

Related Article: Ana M. Costero, María L. Betancourt-Mendiola, Pablo Gaviña, Luis E. Ochando, Salvador Gil, Katherine Chulvi and Eduardo Peña-Cabrera|2017|Eur.J.Org.Chem.|2017|6283|doi:10.1002/ejoc.201701016

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parametersdifluoro{N-[(147101316-hexaoxacyclooctadecan-2-yl)methyl]-1-(1H-pyrrol-2-yl)-1-(2H-pyrrol-2-ylidene)methanaminato}boronExperimental 3D Coordinates
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CCDC 1819381: Experimental Crystal Structure Determination

2018

Related Article: Mónica Gorbe, Ana M. Costero, Félix Sancenón, Ramón Martínez-Máñez, Rafael Ballesteros-Cillero, Luis. E. Ochando, Katherine Chulvi, Raúl Gotor, Salvador Gil|2019|Dyes Pigm.|160|198|doi:10.1016/j.dyepig.2018.08.007

Space GroupCrystallography55-difluoro-28-diiodo-1379-tetramethyl-10-phenyl-5H-6lambda55lambda5-dipyrrolo[12-c:2'1'-f][132]diazaborinineCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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