Publikationen in Zusammenarbeit mit Forschern von Universidad de Nariño (26)

2014

  1. 2-Ethyl-1-[5-(4-methylphenyl)pyrazol-3-yl]-3-(thiophene-2-carbonyl)isothiourea: Molecular ribbons containing three types of hydrogen-bonded ring

    Acta Crystallographica Section C: Structural Chemistry, Vol. 70, pp. 1064-1068

  2. 2-Ethylsulfanyl-7-(furan-2-yl)-4-(thiophen-2-yl)pyrazolo[1,5-a][1,3,5]triazine: π-stacked chains of hydrogen-bonded R 2 2(10) dimers

    Acta Crystallographica Section C: Structural Chemistry, Vol. 70, pp. 908-911

  3. Erratum: Three practical approaches for the synthesis of novel 4,7-dihetarylpyrazolo[1,5-a][1,3,5]triazines (Tetrahedron (2012) 68 (9384-9390))

    Tetrahedron

2012

  1. Solvent-free microwave-assisted synthesis of novel 4-hetarylpyrazolo[1,5-a] [1,3,5]triazines

    Journal of Heterocyclic Chemistry, Vol. 49, Núm. 6, pp. 1339-1345

  2. Three practical approaches for the synthesis of novel 4,7- dihetarylpyrazolo[1,5-a][1,3,5]triazines

    Tetrahedron, Vol. 68, Núm. 46, pp. 9384-9390

2010

  1. Generation of pyrrolo[2,3-d]pyrimidines. Unexpected products in the multicomponent reaction of 6-aminopyrimidines, dimedone, and arylglyoxal

    Tetrahedron Letters, Vol. 51, Núm. 41, pp. 5443-5447

2008

  1. Regioselective three-component synthesis of novel indeno[1,2-b]-pyrazolo[4, 3-e]pyridines-fused derivatives of 4-azafluorenone alkaloid

    Journal of Heterocyclic Chemistry, Vol. 45, Núm. 1, pp. 155-159

  2. Three 4,7-diaryl-2-ethylsulfanyl-pyrazolo[1,5-a][1,3,5]triazines

    Acta Crystallographica Section C: Crystal Structure Communications, Vol. 64, Núm. 1

2006

  1. 3-(4-Methoxyphenyl)-7,7-dimethyl-1,6,7,8-tetrahydropyrazolo[3,4-6] -quinolin-5-one: A chain of centrosymmetric rings built from N-H⋯N and C-H⋯π(arene) hydrogen bonds

    Acta Crystallographica Section C: Crystal Structure Communications, Vol. 62, Núm. 8

  2. 3-[5-(4-Bromophenyl)-1H-pyrazol-3-ylamino]-5,5-dimethylcyclohex-2-en-1-one- (Z)-3-(4-bromophenyl)-3-chloroacrylonitrile (2/1): A stoichiometric cocrystal of a reaction product with one of its early precursors

    Acta Crystallographica Section C: Crystal Structure Communications, Vol. 62, Núm. 10

  3. 4-Bromo-β-(2-oxoquinolin-4-yloxy)cinnamonitrile: A three-dimensional framework structure built from N-H⋯O and C-H⋯O hydrogen bonds, and bromo-carbonyl and aromatic π-π stacking interactions

    Acta Crystallographica Section E: Structure Reports Online, Vol. 62, Núm. 7

  4. 5-(2-Hydroxy-4,4-dimethyl-6-oxo-cyclohex-1-enyl)-3-methyl-2-(methyl- sulfanyl)-6-phenyl-7H-pyrrolo[2,3-d]-pyrimidin-4(3H)-one monohydrate: Complex sheets generated by multiple hydrogen bonds

    Acta Crystallographica Section C: Crystal Structure Communications, Vol. 62, Núm. 9

  5. Four 2-aryl-8,8-dimethyl-6,7,8,9-tetrahydropyrazolo[2,3-a]quinazolin-6- ones: Isolated molecules, hydrogen-bonded dimers, and π-stacked chains of hydrogen-bonded dimers

    Acta Crystallographica Section C: Crystal Structure Communications, Vol. 62, Núm. 6

  6. Hydrogen-bonded sheets in 4-amino-8,8-dimethyl-2-(methylsulfanyl)-8,9- dihydro- Pyrimidino[4,5-b]quinolin-6(7H)-one

    Acta Crystallographica Section E: Structure Reports Online, Vol. 62, Núm. 11

  7. Isolated molecules in 2-ethylsulfanyl-7-methyl-4-(4-methylphenyl) pyrazolo[1,5-a][1,3,5]triazine and hydrogen-bonded sheets of R2 2(10), R22(16), R44(22) and R44(24) rings in 2-ethylsulfanyl-7-methyl-4-(4- nitrophenyl)pyrazolo[1,5-a][1,3,5]triazine

    Acta Crystallographica Section C: Crystal Structure Communications, Vol. 62, Núm. 3

  8. Microwave-assisted three-component synthesis and in vitro antifungal evaluation of 6-cyano-5,8-dihydropyrido[2,3-d]pyrimidin-4(3H)-ones

    Journal of Heterocyclic Chemistry, Vol. 43, Núm. 2, pp. 299-306

  9. Reaction of 4-aryl-2,3-dihydro-2-phenyl-1H-1,5-benzodiazepines with 2-chloroacetyl chloride. Synthesis of N-acyl- and azeto[1,2-a]-1,5- benzodiazepines

    Heterocyclic Communications, Vol. 12, Núm. 5, pp. 347-354

  10. Regioselective synthesis of novel 4-aryl-2-ethylthio-7-methyl pyrazolo[1,5-a]-[1,3,5]-triazines

    Tetrahedron Letters, Vol. 47, Núm. 31, pp. 5441-5443

  11. Three-component synthesis of hexahydropyridopyrimidine- spirocyclohexanetriones induced by microwave

    Tetrahedron Letters, Vol. 47, Núm. 1, pp. 27-30

2005

  1. 3-Methyl-4-(4-nitrophenyl)-1-phenyl-1,7-dihydro-6H-pyrazolo[3,4-b] thiazolo[5,4-e]pyridine-6-thione-dimethylformamide (1/1)

    Acta Crystallographica Section E: Structure Reports Online, Vol. 61, Núm. 12