Jaime Antonio Portilla Salinas

CH‧‧‧ X (X= F, Cl) and Cl‧‧‧ Cl halogen-mediated interactions driving the crystal packing in N-substituted 4-arylimidazoles

Current advances in chemosensors diazoles-based for CN-and F- detection.

CH‧‧‧ X (X= F, Cl) and Cl‧‧‧ Cl halogen-mediated interactions driving the crystal packing in N-substituted 4-arylimidazoles

Current advances in chemosensors diazoles-based for CN-and F- detection.

Jaime Portilla (ORCID: 0000-0002-8206-7481) Ecological and economic effort analysis in molecular sensor development used for optical detection of cyanide ions

ACCESS TO FIVE-MEMBERED N-HETEROAROMATIC COMPOUNDS: CURRENT APPROACH BASED ON MICROWAVE-ASSISTED SYNTHESIS

B-Containing Hydrotalcites Effectively Catalyzed Synthesis of 3-(Furan-2-yl)acrylonitrile Derivatives via the Knoevenagel Condensation

BF3-Mediated Acetylation of Pyrazolo[1,5-a]pyrimidines and Other π-Excedent (N-Hetero)arenes

Expeditious ethanol quantification present in hydrocarbons and distilled spirits: Extending photophysical usages of the pyrazolo[1,5-a]pyrimidines

Influence of Steric Effect on the Pseudo-Multicomponent Synthesis of N-Aroylmethyl-4-Arylimidazoles

Recent Advances in Synthesis and Properties of Pyrazoles

Structural, Photophysical, and Water Sensing Properties of Pyrazolo[1,5‐a]pyrimidine–Triphenylamine Hybrid Systems

Synthesis of 2,7-diarylpyrazolo [1,5-a] pyrimidine derivatives with antitumor activity. Theoretical identification of targets

Synthesis, Spectroscopic Analysis, and In Vitro Anticancer Evaluation of 2-(Phenylsulfonyl)-2H-1, 2, 3-triazole

The effect of molecular planarity and resonant effects on supramolecular structures of N-(5-pyrazolyl)imines by X-ray crystallographic analysis

2-Oxo-2H-chromen-7-yl 4-chlorobenzoate

Chemosensors based on N-heterocyclic dyes: advances in sensing highly toxic ions such as CN− and Hg2+

Fluorescent Pyrazole Derivatives: An Attractive Scaffold for Biological Imaging Applications

Functional Pyrazolo[1,5‐a]pyrimidines: Current Approaches in Synthetic Transformations and Uses as an Antitumor Scaffold

Influence of the haloaryl moiety over the molecular packing in N-phenacylbenzimidazoles crystallizing in the same space group

Photophysical and crystallographic study of three integrated pyrazolo[1,5-a]pyrimidine–triphenylamine systems

Pyrazolo [1,5-A] Pyrimidines an Interesting Scaffold for Optical Applications

Pyrazolo[1,5-a]pyrimidinium Salts for Cyanide Sensing: A Performance and Sustainability Study of the Probes

Synthesis of 1-aroyl-3-methylsulfanyl-5-amino-1,2,4-triazoles and their analysis by spectroscopy, X-ray crystallography and theoretical calculations

Synthesis, biological evaluation and X-ray crystallographic analysis of novel ( E )-2-cyano-3-(het)arylacrylamides as potential anticancer agents

Cyanide chemosensors based on 3-dicyanovinylpyrazolo[1,5-a]pyrimidines: Effects of peripheral 4-anisyl group substitution on the photophysical properties

Eco-friendly synthesis and antifungal evaluation of N-substituted benzimidazoles

Obtaining protoanemonin through selective oxidation of D‐fructose and 5‐(hydroxymethyl)furfural in a self‐catalysed reaction

Pyrazolo[1,5-a]pyrimidines-based fluorophores: a comprehensive theoretical-experimental study

Recent progress in chemosensors based on pyrazole derivatives

Solventless Amide Synthesis Catalyzed by Biogenic CaCO3 Materials

Synthesis of N-(2-Halopyrazolyl-2-hydroxyethyl)imidazoles as Potential Antifungal Agents

Síntesis de derivados novedosos de 4-aril-1,7-di-(2-piridil)-1H,7H-bis-pirazolo[3,4-b:4’,3’-e]piridinas

Water-Compatible Synthesis of 1,2,3-Triazoles under Ultrasonic Conditions by a Cu(I) Complex-Mediated Click Reaction

Benzimidazole derivatives as new potential antibacterial and antifungal agents

Estudio de la síntesis de nuevos 1-(2-aril-2-hidroxietil)bencimidazoles como potenciales agentes antifúngicos

Integrated pyrazolo[1,5-a]pyrimidine–hemicyanine system as a colorimetric and fluorometric chemosensor for cyanide recognition in water

Inter­molecular inter­action energies and molecular conformations in N-substituted 4-aryl-2-methyl­imidazoles with promising in vitro anti­fungal activity

Optimización estructural de quimiosensores de cianuro basadosen pirazolo [1,5-a] pirimidinas: Efecto de la sustitución de la periferia con grupos CH3OPh

Pyrazolo-fused 4-azafluorenones as key reagents for the synthesis of fluorescent dicyanovinylidenesubstituted derivatives

RECENT ADVANCES IN THE SYNTHESIS OF NEW PYRAZOLE DERIVATIVES

Synthesis of Fluorescent 1,7-Dipyridyl-bis-pyrazolo[3,4-b:4′,3′-e]pyridines: Design of Reversible Chemosensors for Nanomolar Detection of Cu2+

Synthesis of Novel D–π–A Dyes for Colorimetric Cyanide Sensing Based on Hemicyanine–Functionalized N‐(2‐Pyridyl)pyrazoles

Synthesis of Pyrrolo[2,3‑c]isoquinolines via the Cycloaddition of Benzyne with Arylideneaminopyrroles: Photophysical and Crystallographic Study

Synthesis, Photophysical Properties, and Metal-Ion Recognition Studies of Fluoroionophores Based on 1-(2-Pyridyl)-4-Styrylpyrazoles

Síntesis asistida por microondas de híbridos Isatina-triazol via una reacción de cicloadición 1,3-dipolar mediada por Cobre (I)

Síntesis asistida por microondas de pirazolo[3,4-b]piridin-6-onas empleando sílica gel como soporte sólido

Síntesis multicomponente de 1,2,3-triazoles via una reacción click utilizando un complejo de Cu(I) y radiación ultrasónica

3-Formylpyrazolo[1,5-a]pyrimidines as Key Intermediates for the Preparation of Functional Fluorophores

A series of (E)-5-(aryl­idene­amino)-1-tert-butyl-1H-pyrrole-3-carbo­nitriles and their reduction products to secondary amines: syntheses and X-ray structural studies

A Straightforward Synthesis of 4,7-Disubstituted 1,4-Oxazepanes via a Brønsted Acid-Catalyzed Intramolecular Etherification Reaction

Amidación-Directa de Ácidos-Carboxílicos no Activados con Aminas Catalizada por NbCl5

Application of a catalyst-free Domino Mannich/Friedel-Crafts alkylation reaction for the synthesis of novel tetrahydroquinolines of potential antitumor activity

Design and synthesis of a colorimetric probe based on 1-(2-pyridyl)pyrazoles π-extended

Estudio de la síntesis de quimiosensores de fluorescencia y colorimétricos basados en 1-(2-piridil)pirazoles ?-extendidos

Estudio de la síntesis de un nuevo fluoróforo basado en formilpirazolocumarina

Estudio de la síntesis de un pirazol sustituido con cumarina como potencial sensor de cianuro

Optimización de las condiciones para la síntesis de 5-amino-3-aril-1H-1,2,4-triazoles

Studies via X‐ray analysis on intermolecular interactions and energy frameworks based on the effects of substituents of three 4‐aryl‐2‐methyl‐1H‐imidazoles of different electronic nature and their in vitro antifungal evaluation

Synthesis and in vitro Antifungal Evaluation of Novel N‐Substituted 4‐Aryl‐2‐methylimidazoles

Synthesis of Novel Oxiranes 2-Pyrazolyl Substituted

Synthesis of fluorescent 4-styrilpyrazoles for the detection of Hg2+

Synthesis of new fluorophores based on (indeno[1,2-e]pyrazolo[4,3-e]pyridinylidene

Síntesis de nuevos 1-(2-piridil)pirazoles fusionados y sustituidos con grupos de diferente naturaleza electrónica y de conjugación ?-extendida

Síntesis de pirazolo[1,5-a]pirimidinas fluorescentes basadas en el fenómeno de TICT

Síntesis de un sistema híbrido fluorescente basado en pirazolil-cumarina

pplication of a catalyst-free Domino Mannich/Friedel-Crafts alkylation reaction for the synthesis of novel tetrahydroquinolines of potential antitumor activity

(5-Chloroquinolin-8-yl)-2-fluorobenzoate. The Halogen Bond as a Structure Director

6-(Aryldiazenyl)azolo[1,5-a]pyrimidin-7-amines as Strategic Intermediates for the Synthesis of Purine-fused Tricyclic Derivatives as Potential Fluorescent Probes

An eco-compatible route to purine-fused tricyclic derivatives under microwave irradiation

Efficient Access to o-Phenylendiamines and Their Use in the Synthesis of a 1,2-Dialkyl-5-trifluoromethylbenzimidazoles Library Under Microwave Conditions

Efficient Synthesis of Fluorescent Ligands Based on 3-(1-(2-pyridyl)-pyrazolyl)-acrylonitriles Substituted

One-Step Synthesis of Fully Functionalized Pyrazolo[3,4-b]pyridines via Isobenzofuranone Ring Opening

Simple access toward 3-halo- and 3-nitro-pyrazolo[1,5-a]pyrimidines through a one-pot sequence

Straightforward and Highly Efficient Pseudo-Four-Component Synthesis of 7-Substituted Purines Under Microwave Irradiation

Synthesis of Dicyanovinyl-Substituted 1-(2-Pyridyl)pyrazoles: Design of a Fluorescent Chemosensor for Selective Recognition of Cyanide

Synthesis of Polyfunctionally Substituted Pyrazolo[3,4-b]pyridines and Analogous Systems via Intramolecular Isobenzofurane Ring Opening

Synthesis of tetrahydroquinolines as potential antitumor agents through a catalyst-free domino Mannich/Friedel-Crafts reaction sequence

6-(Aryldiazenyl)pyrazolo[1,5-a]pyrimidines as Strategic Intermediates for the Synthesis of Pyrazolo[5,1-b]purines

6-(Aryldiazenyl)pyrazolo[1,5-a]pyrimidines as Strategic Intermediates for the Synthesis of Pyrazolo[5,1-b]purines

Crystal structure of 5-butylamino-3-methyl-1-(pyridin-2-yl)- 1H-pyrazole-4-carbaldehyde obtained from a microwave-assisted reaction using caesium carbonate as catalyst

Crystal structure of 5-butyl­amino-3-methyl-1-(pyridin-2-yl)-1H-pyrazole-4-carbaldehyde obtained from a microwave-assisted reaction using caesium carbonate as catalyst

Crystallography in Colombia: Current studies in the Department of Chemistry at the Universidad de los Andes

Cs2CO3-Promoted direct N-alkylation: highly chemoselective synthesis of N-alkylated benzylamines and anilines

Estudio de la síntesis de cloroformilazoles como precursores para la obtención de nuevos ‘azoles con potencial antifúngicos’

Isocyanide-Based Multicomponent Reactions: Synthesis of Alkyl-2- (1-(alkylcarbamoyl)-N,N-dialkylaminomethyl)benzoate Derivatives

MW-assisted synthesis of new 1-alkyl-5-trifluoromethylbenzimidazoles

Microwave-Assisted Regioselective Synthesis of Substituted Pyrazolo[1,5-a]pyrimidines Under Solvent-Free Conditions

Optimización de condiciones en la preparación de compuestos heterocíclicos nitrogenados mediante el uso de técnicas respetuosas con el medio ambiente

Recognition of Mg 2+ by a new fluorescent “turnon” chemosensor based on pyridyl-hydrazono-coumarin

Síntesis de Nuevos Imidazoles con Potencial Actividad Antifúngica

Chemoselective Synthesis of 5-Alkylamino-1H-pyrazole-4-carbaldehydes by Cesium- and Copper-Mediated Amination

Design and Synthesis of a New Schiff Base as Selective Fluorescence “turn-on” Chemosensor for Mg2+

Efficient Synthesis of Novel Fluorescent Ligands Based on 4-dicyanovinyl-1-(2-pyridyl)pyrazoles

Síntesis de Nuevos Bencimidazoles con Potencial Actividad Biológica (Antifúngica)

Síntesis de nuevas pirazolo[1,5-a]pirimidinas funcionalizadas de potencial uso como quimiosensores fluorescentes de iones en solución

Síntesis de nuevos imidazoles con potencial actividad antifúngica

Síntesis de nuevos quimio-sensores basados en estructuras heterocíclicas nitrogenadas derivadas de 1-(2-piridil)pirazoles sustituidos con grupos de diferente carácter dador o aceptor de electrones

Síntesis eficiente de pirazolo[3,4-b]quinolinas desde 5-aminopirazoles y arilaldehídos

Síntesis-de-nuevos-quimio-sensores-basados en estructuras heterocíclicas nitrogenadas derivadas de 1-(2-piridil)pirazoles sustituidos con grupos de diferente carácter dador o aceptor de electrones

Two different products from the reaction of 1-aryl-5-chloro-3-methyl-1H-pyrazole-4-carb­aldehyde with cyclo­hexyl­amine when the aryl substituent is phenyl or pyridin-2-yl: hydrogen-bonded sheets versus dimers

Two different reaction products from the reaction of 1-aryl-5-chloro-3-methyl-1H-pyrazole-4-carbaldehyde with cyclohexylamine when the aryl substituent is phenyl or pyridin-2-yl: hydrogenbonded sheets versus dimers

Chemoselective Amination under Microwave Irradiation of 5-chloropyrazole-4-carbaldehydes

Microwave assisted synthesis of novel imidazo[1,2-a]pyrimidines

Synthesis of Novel Fluorescent Heterocyclic Symmetric Cores Based on pyrazolo[1,5-a]pyrimidine

Síntesis de 2-aroil-1,3-indandionas y estudio de su reacción con 2-hidrazinopiridina para obtener 3-aril-1-(2-piridil)indenopirazolonas

Síntesis de 5-amino-3-aril-1H-1,2,4-triazoles y estudio de su reacción con ?-enaminonas con el fin de obtener 2,7-diaril[1,2,4]triazolo[1,5-a]pirimidinas

Síntesis de nuevas 5-hidroxiimidazo[1,2-a]pirimidinas N-alquilsustituidas

Síntesis de nuevos quimio-sensores por fluorescencia basados en pirazoles π-extendidos

Síntesis de o-fenilendiaminas-N-alquil-4-trifluorometil sustituídas de potencial aplicación en síntesis de compuestos heterocíclicos benzofusionados

5-Methyl-N-[2-nitro-4-(trifluoromethyl) phenyl]-1H-pyrazole-3-amine: a chain of hydrogen-bonded R2 2(6) and R2 2(16) rings

Estudio de la síntesis de nuevas pirazolo- e imidazoazepinas

Estudio de la síntesis de nuevos hetero-azadienos quirales de potencial uso en síntesis asimétrica de estructuras heterocíclicas condensadas

Estudio de síntesis de nuevas pirazolo[1,5-a]pirimido[5,4-e]pirimidinas utilizando hidrotalcitas como catalizador

Síntesis de nuevos 5-amino-4- formilpirazoles asistida por microondas y el "efecto cesio"

Síntesis y caracterización de nuevos derivados de bis-pirazolo[3,4-b:4’,3’-e]piridinas de potencial aplicación para el diseño de materiales orgánicos

MW-assisted synthesis of novel aryldiazo-pyrazolo[1,5-a]pyrimidines from 5-aminopyrazoles

Regioselective synthesis of fused pyrazolo[1,5-a]pyrimidines by reaction of 5-amino-1H-pyrazoles and beta-dicarbonyl compounds containing five-membered rings

Synthesis of bis-pyrazolo[3,4-b:4’,3’-e]pyridine derivates and study of their optical and electrochemical behavior

A pi-stacked chain of hydrogen-bonded dimers in 3-tert-butyl-1-(4-chlorophenyl)-4-phenylindeno[1,2-b]pyrazolo[4,3-e]pyridin-5(1H)-one and a pi-stacked sheet of hydrogen-bonded chains in 3-tert-butyl-1-(4-chlorophenyl)-4-(4-methoxyphenyl)indeno[1,2-b]pyraz

5-Amino-1-benzoyl-3-methylpyrazole: complex sheets built from N-H center dot center dot center dot N, C-H center dot center dot center dot O and C-H center dot center dot center dot pi(arene) hydrogen bonds

7-Amino-5-methyl-2-phenyl-6-(phenyldiazenyl)pyrazolo[1,5-a]pyrimidine crystallizes with Z '=2: pseudosymmetry and the formation of complex sheets built from N-H center dot center dot center dot N and C-H center dot center dot center dot pi(arene) hydrogen

A simple hydrogen-bonded chain in (3Z)-3-{1-[(5-phenyl-1H-pyrazol-3-yl)amino]ethylidene}-4,5-dihydrofuran-2(3H)-one, and a hydrogen-bonded ribbon of centrosymmetric rings in the self-assembled adduct (3Z)-3-{1-[(5-methyl-1H-pyrazol-3-yl)amino]ethylidene}-

{1-[(5-methyl-1H-pyrazol-3-yl)amino]ethylidene}-4,5-dihydrofuran-2(3H)-one–6-(2-hydroxyethyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (1/1)

2-tert-butyl-5-methyl-7,8-dihydro-6H-cyclopenta[e]pyrazolo[1,5-a]pyrimidine: molecular stacks built from C-H center dot center dot center dot pi(pyrazole) hydrogen bonds and pi-pi stacking interactions

A hydrogen-bonded chain of rings in 5-amino-1-(4-methoxybenzoyl)-3-methylpyrazole and a three-dimensional hydrogen-bonded framework in 5-amino-3-methyl-1-(2-nitrobenzoyl)-pyrazole

Regioselective synthesis of novel substituted pyrazolo[1,5-a]pyrimidines under solvent-free conditions

Solution-phase and solid-phase synthesis of 1-pyrazol-3-ylbenzimidazoles

Solvent-Free Synthesis of Fused Pyrazolo[1,5-a]pyrimidines by Reaction of 5-Amino-1H-pyrazoles and b-Triketones

Structural comparisons of isomeric series of 7-arylbenzo[h]pyrazolo[3,4-6] quinolines and 11-arylbenzo[f]pyrazolo[3,4-6]quinolines

Synthesis of novel 5-amino-1-aroylpyrazoles

8-tert-Butyl-7-(4-chlorophenyl)-10-phenyl-5,6-dihydro-10H-benzo[h] pyrazolo[3,4-b]quinoline

Regioselective synthesis of novel polyfunctionally substituted pyrazolo[1,5-a]pyrimidines under solvent-free conditions

2,5-Dimethyl-6,7-dihydrobenzo[h]-pyrazolo[1,5-a]quinazoline and 2-tert-butyl-5-methyl-6,7-dihydrobenzo[h]-pyrazolo[1,5-a]quinazoline

3-(3-Oxo-1,3-dihydro-isobenzofuran-1-yl-idene)pentane-2,4-dione

7-Amino-2-tert-butyl-5-methylpyrazolo[1,5-a]pyrimidine: a three-dimensional framework structure built from two N-H center dot center dot center dot N hydrogen bonds

8-tert-Butyl-7,10-diphenyl-6,10-dihydro- 5H-benzo[h]pyrazolo[3,4-b]quinoline

8-tert-Butyl-7-(4-chlorophenyl)-10-phenyl-5,6-dihydro-10H-benzo[h]pyrazolo[3,4-b]quinoline

Hydrogen-bonded chains of rings in methyl 4-[(5-methyl-1H-pyrazol-3-yl) amino]-3-nitrobenzoate and hydrogen-bonded sheets in methyl 1-(5-methyl-1H-pyrazol-3-yl)-1H-benzimidazole-5-carboxylate

N,N?-Bis(isonicotino-yl)hydrazine dihydrate at 120 (2) K: A three-dimensional framework built from N - H?O, O - H? - Hd C ?- HO hydrog?en bonds

Three substituted 4-pyrazolylbenzoates: hydrogen-bonded supramolecular structures in one, two and three dimensions

Two isomeric reaction products: hydrogen-bonded sheets in methyl 4-(5-amino-3-phenyl-1H-pyrazol-1-yl)-3-nitrobenzoate and hydrogen-bonded chains of edge-fused rings in methyl 3-nitro-4-[(5-phenyl-1H-pyrazol-3-yl)amino] benzoate

6-(2-hydroxybenzoyl)-2-(4-methylphenyl)-5-methyl-7-phenylpyrazolo[1,5-a]pyrimidine: complex sheets built from C-H center dot center dot center dot N and C-H center dot center dot center dot O hydrogen bonds

7-amino-2,5-dimethylpyrazolo[1,5-a]pyrimidine hemihydrate redetermined at 120 K: a three-dimensional hydrogen-bonded framework

A hydrogen-bonded chain of rings in 7-amino-5-tert-butyl-2-methylpyrazolo[1,5-a]pyrimidine, and a hydrogen-bonded framework structure in 3,7-diamino-2,5-dimethylpyrazolo[1,5-a]pyrimidine monohydrate

pi-stacked chains in 3,5-dimethyl-1,7-diphenyl-1,7-dihydrodipyrazolo[3,4-b,4 ',3 '-e]pyridine

Effect of substitution on the dimensionality of supramolecular aggregation in dihydrobenzo-pyrazoloquinolines

Hydrogen-bonded chains in isostructural 5-methyl-2-(4-methylphenyl)-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine, 2-(4-chlorophenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine and 2-(4-bromophenyl)-5-methyl-7,8-dihydro-6H-cycl

Solvent-free microwave synthesis of bis-pyrazolo[3,4-b : 4 ',3 '-e]-pyridines and study of their antifungal properties

Two isomeric 10-methyl-8-phenyl-11-pyridyl-6-8-dihydro-5H-benzo[f]-pyrazolo[3,4-b]quinolines: cyclic hydrogen-bonded tetramers versus isolated molecules

Two isomeric pairs of dihydrobenzo-pyrazoloquinazolines: centrosymmetric dimers, chains and sheets built from C-H center dot center dot center dot N and C-H center dot center dot center dot pi(arene) hydrogen bonds and pi-pi stacking interactions

10-(4-chlorophenyl)-7-methyl-5,6-dihydrobenzo[h]pyrazolo[5,1-b]quin-azoline and 2-(4-chlorophenyl)-5-methyl-6,7-dihydrobenzo[h]pyrazolo-[1,5-a]quinazoline: isomeric molecules linked into hydrogen-bonded dimers or pi-stacked chains

Bis(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)-3,4,5-trimethoxyphenylmethane: sheets built from N-H center dot center dot center dot N and N-H center dot center dot center dot O hydrogen bonds

1-(p-chlorophenyl)-3,4-dimethyl-5,6,7,8-tetrahydropyrazolo[3,4-b]quinoline

3,5-dimethyl-1,4,7-triphenyl-1H,7H-pyrazolo[3,4-b : 4 ',3 '-e]pyridine

3,5-dimethyl-1,7-diphenyl-4-(2-pyridyl)-1H,7H-pyrazolo[3,4-b : 4 ',3 '-e]pyridine