Search Results - "Jios, J L"

Vibrational, Electronic, and Structural Properties of 6‑Nitro- and 6‑Amino-2-Trifluoromethylchromone: An Experimental and Theoretical Study by Avendaño Jiménez, L. P, Echeverría, G. A, Piro, O. E, Ulic, S. E, Jios, J. L

“…Two 2-trifluoromethylchromones, 6-nitro-2-trifluoromethylchromone (1) and 6-amino-2-trifluoromethylchromone (2) were synthesized and characterized by NMR (1H,…”
Get full text

Spectroscopic, Structural, and Conformational Properties of (Z)-4,4,4-Trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphenyl)-2-buten-1-one, C12H12F3NO3: A Trifluoromethyl-Substituted β-Aminoenone by Hidalgo, A, Avendaño Jiménez, L. P, Ramos, L. A, Mroginski, M. A, Jios, J. L, Ulic, S. E, Echeverría, G. A, Piro, O. E, Castellano, E

“…The (Z)-4,4,4-trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphenyl)-2-buten-1-one (C12H12F3NO3) compound was thoroughly studied by IR, Raman, UV–visible, and…”
Get full text

New thiourea and urea derivatives containing trifluoromethyl- and bis-triflouromethyl-4H-chromen-3-yl substituents by Alcívar León, C. D., Echeverría, G. A., Piro, O. E., Ulic, S. E., Jios, J. L., Luna Tapia, C. A., Mera Guzmán, M. F.

“…Two new thiourea (1) and urea (2) derivatives, substituted with 2-trifluoromethyl-4H-chromen-3-yl moieties at defined positions, were obtained by convenient…”
Get full text

Weak and strong hydrogen bonds conducting the supramolecular framework of 1-butyl-3-(1-naphthoyl)thiourea: crystal structure, vibrational studies, DFT methods, Pixel energies and Hirshfeld surface analysis by Contreras Aguilar, E., Echeverría, G. A., Piro, O. E., Ulic, S. E., Jios, J. L., Tuttolomondo, M. E., Pérez, H.

“…A detailed structural and spectroscopic study of a new thiourea derivative 1-butyl-3-(1-naphthoyl)thiourea (1) is presented with the assistance of theoretical…”
Get full text

A detailed experimental and theoretical study of two novel substituted trifluoromethylchromones. The influence of the bulky bromine atom on the crystal packing by Alcívar León, C.D., Echeverría, G.A., Piro, O.E., Ulic, S.E., Jios, J.L.

“…[Display omitted] •Two novel substituted 2-trifluoromethylchromones were synthesized and analyzed.•The crystal structure of both molecules was elucidated by…”
Get full text

A Simple Method for N-Phenoxyethylation of Anilines by Romanelli, G. P., Jios, J. L., Guaymas, O., Piovoso, R., Autino, J. C.

“…We wanted to search for new reaction conditions to prepare the title compounds, to be checked later in novel syntheses of heterocyclic compounds. To the best…”
Get full text

Acyl thiourea derivatives: A study of crystallographic, bonding, biological and spectral properties by Contreras Aguilar, E., Echeverría, G.A., Piro, O.E., Ulic, S.E., Jios, J.L., Tuttolomondo, M.E., Molina, R.D.I., Arena, M.E.

“…[Display omitted] •Two novel acylthioureas (Ar-CO-NH-CS-NH-R) were synthesized and analyzed spectroscopically.•The crystal packing shows molecules arranged as…”
Get full text

Relationships between Kováts retention indices and molecular descriptors of 1-(2-hydroxy)-3-arylpropane-1,3-diones by Romanelli, G P, Jios, J L, Autino, J C, Cafferata, L F, Castro, E A

“…Experimental and theoretical results for retention index of a set of 20 beta-diketones are given. The quantitative structure-chromatographic retention…”
Get full text

The role of halogen C–X1⋯X2–C contact on the preferred conformation of 2-perhalomethylchromones in solid state by Alcívar León, C.D., Echeverría, G.A., Piro, O.E., Ulic, S.E., Jios, J.L., Burgos Paci, M., Argüello, G.A

“…[Display omitted] The solid state of 2-chlorodifluoromethyl-3-methylchromone (1) and 3-bromomethyl-2-chlorodifluoromethylchromone (2) was studied by…”
Get full text

Spectroscopic, Structural, and Conformational Properties of ( Z )-4,4,4-Trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphenyl)-2-buten-1-one, C 12 H 12 F 3 NO 3 : A Trifluoromethyl-Substituted β-Aminoenone by Hidalgo, A., Avendaño Jiménez, L. P., Ramos, L. A., Mroginski, M. A., Jios, J. L., Ulic, S. E., Echeverría, G. A., Piro, O. E., Castellano, E.

Get full text

Spectroscopic, Structural, and Conformational Properties of (Z)-4,4,4-Trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphen yl)-2-b uten-1-one, C sub(12)H sub(12)F sub(3)NO sub(3): A Trifluoromethyl-Substituted beta -Aminoenone by Hidalgo, A, Jimenez, LPAvendano, Ramos, LA, Mroginski, MA, Jios, J L, Ulic, SE, Echeverria, G A, Piro, O E, Castellano., E

“…The (Z)-4,4,4-trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphenyl)-2- b uten-1-one (C sub(12)H sub(12)F sub(3)NO sub(3)) compound was thoroughly studied by…”
Get full text

Substituted thiobenzoic acid S-benzyl esters as potential inhibitors of a snake venom phospholipase A2: Synthesis, spectroscopic and computational studies by Henao Castañeda, I.C., Pereañez, J.A., Jios, J.L.

“…► Substituted thiobenzoic acid S-benzyl esters were synthesized and characterized. ► Thioesters inhibited the enzymatic activity of a venom phospholipase A2. ►…”
Get full text

Conformational and vibrational analysis of S-(2-methoxyphenyl)-4-substituted-benzenecarbothioates, using X-ray, infrared and Raman spectroscopy and theoretical calculations by Castañeda, I.C. Henao, Jios, J.L., Piro, O.E., Tobón, G.E., Della Védova, C.O.

“…Structural and conformational properties of S-(2-methoxyphenyl) 4-nitrobenzenecarbothioate ( I), S-(2-methoxyphenyl) 4-chlorobenzenecarbothioate ( II) and…”
Get full text

Multinuclear (1H, 13C and 15N) Magnetic Resonance Spectroscopy and Substituent Effects on N-Phenoxyethylanilines by Jios, Jorge L., Romanelli, Gustavo P., Autino, Juan C., Magiera, Damian, Duddeck, Helmut

“…H, C and N NMR spectra of twenty substituted N-phenoxyethylanilines 1-20 were completely and unambiguously assigned using a combination of both homo- and…”
Get full text