QUÍMICA INORGÁNICA Y ORGÁNICA
Departamento
Universidad de Los Andes
Bogotá, ColombiaPublicaciones en colaboración con investigadores/as de Universidad de Los Andes (18)
2020
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Synthesis of N-substituted 3-(2-aryl-2-oxoethyl)- 3-hydroxyindolin-2-ones and their conversion to N-substituted (E)-3-(2-aryl-2-oxoethylidene)-indolin-2-ones: Synthetic sequence, spectroscopic characterization and structures of four 3-hydroxy compounds and five oxoethylidene products
Acta Crystallographica Section C: Structural Chemistry, Vol. 76, pp. 433-445
2019
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Catalyst-, solvent- and desiccant-free three-component synthesis of novel C-2,N-3 disubstituted thiazolidin-4-ones
Arabian Journal of Chemistry, Vol. 12, Núm. 1, pp. 122-133
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Pyrazolo-fused 4-azafluorenones as key reagents for the synthesis of fluorescent dicyanovinylidene-substituted derivatives
RSC Advances, Vol. 9, Núm. 47, pp. 27318-27323
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Synthesis, Photophysical Properties, and Metal-Ion Recognition Studies of Fluoroionophores Based on 1-(2-Pyridyl)-4-Styrylpyrazoles
ACS Omega, Vol. 4, Núm. 15, pp. 16689-16700
2017
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A facile synthesis of stable β-amino-N-/O-hemiacetals through a catalyst-free three-component Mannich-type reaction
Tetrahedron Letters, Vol. 58, Núm. 15, pp. 1490-1494
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Three tetracyclic dibenzoazepine derivatives exhibiting different molecular conformations, different patterns of intermolecular hydrogen bonding and different modes of supramolecular aggregation
Acta Crystallographica Section C: Structural Chemistry, Vol. 73, Núm. 1, pp. 28-35
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Three-component one-pot synthesis of novel pyrido[2,3-d]pyrimidine indole substituted derivatives and DFT analysis
Journal of Molecular Structure, Vol. 1137, pp. 431-439
2016
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6-(Aryldiazenyl)pyrazolo[1,5-a]pyrimidines as Strategic Intermediates for the Synthesis of Pyrazolo[5,1-b]purines
Journal of Organic Chemistry, Vol. 81, Núm. 24, pp. 12364-12373
2015
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Chemoselective Synthesis of 5-Alkylamino-1H-pyrazole-4-carbaldehydes by Cesium- and Copper-Mediated Amination
European Journal of Organic Chemistry, Vol. 2015, Núm. 23, pp. 5064-5069
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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
Acta Crystallographica Section C: Structural Chemistry, Vol. 71, pp. 363-368
2013
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5-5-Methyl-N-[2-nitro-4-(trifluoromethyl) phenyl]-1H-pyrazole-3-amine: A chain of hydrogen-bonded R2 2 (6) and R2 2 (16) rings
Acta Crystallographica Section C: Crystal Structure Communications, Vol. 69, Núm. 2, pp. 172-174
2012
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Regioselective synthesis of fused pyrazolo[1,5-a]pyrimidines by reaction of 5-amino-1H-pyrazoles and β-dicarbonyl compounds containing five-membered rings
Tetrahedron, Vol. 68, Núm. 4, pp. 988-994
2011
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A π-stacked chain of hydrogen-bonded dimers in 3-tert-butyl-1-(4-chloro- phen-yl)-4-phenyl-indeno-[1,2-b]pyrazolo-[4,3-e]pyridin-5(1H)-one and a π-stacked sheet of hydrogen-bonded chains in 3-tert-butyl-1-(4-chloro-phen- yl)-4-(4-meth-oxy-phen-yl)indeno-[1,2-b]pyrazolo-[4,3-e]pyridin-5(1H)-one
Acta Crystallographica Section C: Crystal Structure Communications, Vol. 67, Núm. 12
2010
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7-Amino-5-methyl-2-phenyl-6-(phenyl-diazenyl)pyrazolo[1,5-a]pyrimidine crystallizes with Z′ = 2: Pseudosymmetry and the formation of complex sheets built from N-H⋯N and C-H⋯π(arene) hydrogen bonds
Acta Crystallographica Section C: Crystal Structure Communications, Vol. 66, Núm. 3
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A simple hydrogen-bonded chain in (3Z)-3-{1-[(5-phenyl-1H-pyrazol-3-yl) amino]ethyl-idene}-4,5-dihydro-furan-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]ethyl-idene}-4,5-dihydro-furan-2(3H)-one-6-(2-hydroxy-ethyl) -2,5-dimethyl-pyrazolo[1,5-a]pyrimidin-7(4H)-one (1/1)
Acta Crystallographica Section C: Crystal Structure Communications, Vol. 66, Núm. 1
2008
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Regioselective synthesis of novel substituted pyrazolo[1,5-a]pyrimidines under solvent-free conditions
Tetrahedron Letters, Vol. 49, Núm. 43, pp. 6254-6256
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Synthesis of novel 5-amino-1-aroylpyrazoles
Tetrahedron Letters, Vol. 49, Núm. 41, pp. 5943-5945