Artículos 2008

H. Insuasty, P. Mier, G. Suarez, J. N. Low, J. Cobo, C. Glidewelld, Three 4,7-diaryl-2-ethylsulfanylpyrazolo[1,5-a][1,3,5]triazines - Acta Cryst., C64, 27-30.

A. Ortiz, B. Insuasty, M. R. Torres, M. A. Herranz, N. Martín, R. Viruela, E. Ortí, Aminopyrimidine-Based Donor-Acceptor Chromophores: Push-Pull versus Aromatic Behaviour – Eur. J. Org. Chem. 2008, 99-108 (2008).

J. Quiroga, D. Cobo, B. Insuasty, R. Abonía, S. Cruz, M. Nogueras, J. Cobo, Regioselective Three-component Synthesis of Novel Indeno[1,2-b]-pyrazolo[4,3-e]pyridines-Fused Derivatives of 4-Azafluorenone Alkaloid – J. Heterocyclyc Chem., 45, 155-159.

J. Portilla, J. Quiroga, M. Nogueras, J. M. de la Torre, J. Cobo, J. N. Low, C. Glidewell, Structural comparisons of isomeric series of 7-aryl-benzo[h]pyrazolo[3,4-b]quinolines and 11-aryl-benzo[f]pyrazolo[3,4-b]quinolines – Acta Cryst., B64, 72-83.

J. Quiroga, J. Portilla, J. N. Low, J. Cobo, C. Glidewell, 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 - Acta Cryst., C64, 76-79.

J. Portilla, J. Quiroga, R. Abonía, B. Insuasty, M. Nogueras, J. Cobo, E. G. Mata, Solution and solid-phase synthesis of 1-pyrazol-3-ylbenzimidazoles – Synthesis, 387-394.

J. Trilleras, J. N. Low, J. Cobo, A. Marchal, C. Glidewelld, Hydrogen-bonded ribbons in ethyl(E)-3-[2-amino-4,6-bis(dimethylamino)pyrimidin-5-yl]-2-cyano-acrylate and 2-[(2-amino-4,6-di-1-piperidylpyrimidin-5-yl)methylene]-malononitrile – Acta Cryst., C64, 145-148.

J. Trilleras, J. N. Low, J. Cobo, A. Marchal, C. Glidewell, Four products from the cyanoacetylation of pyrimidines: hydrogen-bonded dimers, -stacked hydrogen-bonded chains and hydrogen-bonded chains of edge-fused rings – Acta Cryst., C64, 149-154.

F. Orozco, B. Insuasty, J. N. Low, J. Cobo and C. Glidewell, Dispiro[indene-2,5'-indeno[2,1-a]fluorene-6',2''-indene]-1,1'',3,3'',11',12'-hexanone: a three-dimensional hydrogen-bonded framework - Acta Cryst. C64, 162-165.

J. Quiroga, J. Trilleras, B. Insuasty, R. Abonía, M. Nogueras, J. Cobo, Regioselective formylation of pyrazolo[3,4-b]pyridine and pyrazolo[1,5-a]pyrimidine systems using Vilsmeier–Haack conditions - Tetrahedron Lett., 49, 2689-2691.

J. Quiroga, J. Trilleras, B. Insuasty, R. Abonía, M. Nogueras, A. Marchal, J. Cobo, Microwave-assisted synthesis of pyrazolo[3,4-d]pyrimidines from 2-amino-4,6-dichloropyrimidine-5-carbaldehyde under solvent-free conditions – Tetrahedron Lett., 49, 3257-3259.

R. Abonia, P. Cuervo, B. Insuasty, J. Quiroga, M. Nogueras, J. Cobo, H. Meier; E. Lotero, An Amberlyst-15® Mediated Synthesis of New Functionalized Dioxoloquinolinone Derivatives - Open Org. Chem. J., 2, 26-34 (2008).

J. Trilleras, J. Quiroga, J. N. Low, J. Cobo, C. Glidewell, 2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H O and C-H O hydrogen bonds - Acta Cryst., C64, 341-343.

F. Orozco, J. N. Low, J. Cobo, C. Glidewell, Dimethyl 6-[1,2-bis(methoxycarbonyl)-2-(triphenyl- 5-phosphanylidene)ethylideneamino]-2-methylsulfanyl-3,4-pyridine-dicarboxylate forms a chain of hydrogen-bonded rings - Acta Cryst., C64, 379-381.

J. Trilleras, J. Quiroga, J. N. Low, J. Cobo, C. Glidewell, 10-Ethyl-4-oxo-2,3,4,10-tetrahydropyrimido[4,5-b]quinolin-2-iminium 4-toluenesulfonate: a polarized electronic structure in the cation and a hydrogen-bonded sheet structure - Acta Cryst., C64, 382-384.

J. Galvez, J. Quiroga, J. Cobo, J. N. Low, C. Glidewell, (E)-3-Dimethylamino-2-(1H-indol-3-ylcarbonyl)acrylonitrile: a chain of edge-fused rings built from a three-centre N-H (N,O) hydrogen bond - Acta Cryst., C64, 385-387.

R. Abonia, P. Cuervo, J. Castillo, B. Insuasty, J. Quiroga, M. Nogueras, J. Cobo, Unexpected intramolecular cyclization of some 2’-aminochalcones to indolin-3-ones mediated by Amberlyst®-15 – Tetrahedron Lett., 49, 5020-5031.

J. Portilla, J. Quiroga, J. Cobo, C. Glidewell, 2-tert-Butyl-5-methyl-7,8-dihydro-6H-cyclopenta[e]pyrazolo[1,5-a]pyrimidine: molecular stacks built from C—H…(pyrazole) hydrogen bonds and pi–pi stacking interactions - Acta Cryst. C64, 471-473.

B. Insuasty, H. Martínez, J. Quiroga, R. Abonia, M. Nogueras, J. Cobo, Synthesis of New Bis-3,5-diphenylpyrazolines Derivatives Linked with Alkyl Chains – J. Heterocyclic Chem., 45, 1521-1524.

A. Ortiz, B. Insuasty, J. Cobo, J. N. Low, C. Glidewell, Hexamethylenediammonium bis(chloroacetate): a three-dimensional hydrogen-bonded framework structure - Acta Cryst., C64, 505-507 (2008).

J. Quiroga, J. Trilleras, J. Gálvez, B. Insuasty, R. Abonía, M. Nogueras, J. Cobo, A. Marchal, C- and N-Cyanoacetylation of 6-aminopyrimidines with cyanoacetic acid and acetic anhydride – Tetrahedron Lett., 49, 5672-5675.

J. Quiroga, J. Portilla, R. Abonía, B. Insuasty, M. Nogueras, J. Cobo, Synthesis of novel 5-amino-1-aroylpyrazoles – Tetrahedron Lett., 49, 5943-5945.

R. Abonia, P. Cuervo, J. Quiroga, B. Insuasty, M. Nogueras, J. Cobo, A simple two-step sequence for the synthesis of novel 3-Aryl[1,3]dioxolobenzo[f]pyrrolo[1,2-a]azepin-11-ones from 6-amino-3,4-methylenedioxyacetophenone – Eur. J. Org. Chem., 2008 , 27, 4684-4689.

J. Quiroga, J. Portilla, R. Abonía, B. Insuasty, M. Nogueras, J. Cobo, Regioselective synthesis of novel substituted pyrazolo[1,5-a]pyrimidines under solvent-free conditions - Tetrahedron Lett., 49, 6254-6256.

B. Insuasty, F. Orozco, J. Quiroga, R. Abonía, M. Nogueras, J. Cobo, Microwave Induced Synthesis of Novel 8,9-dihydro-7H-pyrimido[4,5-b][1,4]diazepines as potential antitumor agents – Eur. J. Med. Chem., 43, 1955-1962.

B. Insuasty, F. Orozco, C. Lizarazo, J. Quiroga, R. Abonia, M. Hursthouse, M. Nogueras, J. Cobo, Synthesis of New Indeno[1,2-e]pyrimido[4,5-b][1,4]diazepine-5,11-diones as Potential Antitumor Agents – Bioorg. Med. Chem., 16, 8492-8500.

J. Cobo, J. Trilleras, J. Quiroga, A. Marchal, M. Nogueras, J. N. Low, C. Glidewell, N6-Substituted 2-amino-4-chloro-5-formylpyrimidines: puckered versus planar pyrimidine rings, and hydrogen-bonded aggregation in zero, one, two and three dimensions - Acta Cryst., B64, 596-609.

J. Trilleras, J. Quiroga, J. Cobo, A. Marchal, M. Nogueras, J. N. Low, C. Glidewell, Anhydrous versus hydrated N4-substituted 1H-pyrazolo[3,4-d]pyrimidine-4,6-diamines: hydrogen bonding in two and three dimensions – Acta Cryst., B64, 610-622.

S. Cruz, J. Quiroga, J. M. de la Torre, J. Cobo, J. N. Low, C. Glidewell, 9-Benzoyl-3,3,6,6-tetramethyl-1,2,3,4,5,6,7,8-octahydroxanthene-1,8-dione: molecular conformation and supramolecular aggregation in xanthenediones - Acta Cryst., C64, 554-557.

B. Insuasty, F. Orozco, A. García, J. Quiroga, R. Abonia, M. Nogueras, J. Cobo, Microwave-assisted Synthesis of New Regioisomerics 6,7-Dihydroindeno[1,2-e]pyrimido[4,5-b][1,4]diazepin-5(5aH)-ones – J. Heterocyclic Chem., 45, 1659-1663.

J. Quiroga, J. Portilla, S. Cruz, R. Abonía, B. Insuasty, M. Nogueras, J. Cobo, M. Hursthouse, Solvent-free synthesis of fused pyrazolo[1,5-a]pyrimidines by reaction of 5-amino-1H-pyrazoles and -triketones - Open Org. Chem. J., 2, 92-99.

S. Cruz, J. Trilleras, J. Cobo, J. N. Low, C. Glidewell, Four N7-benzyl-substituted 4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-spiro-10-cyclohexane-2,6’-diones as ethanol hemisolvates: similar molecular constitutions but different crystal structures - Acta Cryst., C64, 637-642.

J. Trilleras, J. Quiroga, J. Cobo, J. N. Low, C. Glidewell, Four N7-alkoxybenzyl-substituted 4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-spiro-1'-cyclohexane-2',6'-diones: hydrogen-bonded supramolecular structures in zero, one, two or three dimensions - Acta Cryst., C64, 665-670.

J. Trilleras, S. Cruz, J. Cobo, J. N. Low, C. Glidewell, Hydrogen-bonded chains of rings in 3-tert-butyl-1-phenyl-7-(4-trifluoromethylbenzyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-spiro-1'-cyclohexane-2',6'-dione and 3-tert-butyl-7-(4-methoxybenzyl)-1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridine-5-spiro-1'-cyclohexane-2',6'-dione - Acta Cryst., C64, 671-674.