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A detailed experimental and theoretical study of two novel substituted trifluoromethylchromones. The influence of the bulky bromine atom on the crystal packing
ArticleAbstract: (Figure Presented) The new 3-methyl-2-trifluoromethylchromone (1 ) and 3-bromomethyl-2-trifluoromethPalabras claves:2-trifluoromethylchromones, Quantum chemical calculations, Single crystal x-ray diffraction, Spectroscopic propertiesAutores:Christian David Alcívar León, Echeverría G.A., Jios J.L., Piro O.E., Ulic S.E.Fuentes:googlescopusChlorodifluoroacetyl cyanide, ClF<inf>2</inf>CC(O)CN: Synthesis, structure, and spectroscopic characterization
ArticleAbstract: The novel molecule difluorochloroacetyl cyanide, ClF2CC(O)CN, has been characterized by IR (gas phasPalabras claves:Autores:Beckers H., Berger R.J.F., Ge M.F., Luis A. Ramos-Guerrero, Mitzel N.W., Romano R.M., Tong S., Ulic S.E., Védova. C.O.D., Vishnevskiy Y.V., Willner H.Fuentes:scopusExploratory monitoring of the quality and authenticity of commercial honey in Ecuador
ArticleAbstract: Honey is one of the oldest sweetening foods and has economic importance, making this product attractPalabras claves:Adulteration, Chemometric, Honey, Infrared spectroscopy, Raman spectroscopyAutores:Aucatoma B., Ciobotə V., Daniela Rubio, Guillén T., Juan Eduardo Bravo-Vásquez, Lorena Salvador, Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Luis Vásquez, Michelle Guijarro, PATRICIA GARRIDO, Paul Vargas Jentzsch, Stolker L., Ulic S.E.Fuentes:googlescopusSpectroscopic, structural, and conformational properties of (Z)-4,4,4-trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphenyl)-2-buten-1-one, C <inf>12</inf>H <inf>12</inf>F <inf>3</inf>NO <inf>3</inf>: A trifluoromethyl- substituted β-aminoenone
ArticleAbstract: The (Z)-4,4,4-trifluoro-3-(2-hydroxyethylamino)-1-(2-hydroxyphenyl)-2- buten-1-one (C 12H 12F 3NO 3)Palabras claves:Autores:Avendaño Jiménez L.P., Castellano. E., Echeverría G.A., Hidalgo A., Jios J.L., Luis A. Ramos-Guerrero, Mroginski M.A., Piro O.E., Ulic S.E.Fuentes:scopusSurvey of clenbuterol in bovine muscle and liver in Ecuador
ArticleAbstract: Clenbuterol is a steroid-type drug used in respiratory treatments in both humans and animals. HowevePalabras claves:Clenbuterol, Food contamination, food safety, ß-adrenergic receptors, ß-agonistAutores:Andrade P., Betancourt R., Dominique Enríquez, Gualpa F., Juan Eduardo Bravo-Vásquez, Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Medina L., Michelle Guijarro, Montalvo García G., Moreno C., Ortega F., PATRICIA GARRIDO, Paul Vargas Jentzsch, Stolker L., Ulic S.E., Vaca I., Wania EspinozaFuentes:googlescopusSynthesis and conformational theoretical study of novel derivatives of 2-(trifluoromethyl)chromone: 3-cyanomethyl and 3-aminomethyl 2-(trifluoromethyl)chromones
OtherAbstract:Palabras claves:Autores:Christian David Alcívar León, Echeverría G.A., Jios J.L., Piro O.E., Ulic S.E.Fuentes:googlescopusSynthesis and structural study of 2-(haloalkyl)-3-methylchromones
ArticleAbstract: Abstract: The novel 2-(difluoromethyl)-3-methylchromone, 2-(dichloromethyl)-3-methylchromone, and 3-Palabras claves:Haloalkylchromones, Hirshfeld surface analysis, Quantum chemical calculations, Single crystal x-ray diffraction, Spectroscopic propertiesAutores:Christian David Alcívar León, Echeverría G.A., Jios J.L., Langer P., Luis A. Ramos-Guerrero, Pablo M. Bonilla-Valladares, Piro O.E., Ulic S.E.Fuentes:scopusSynthesis, Experimental and Theoretical Study of Azidochromones
ArticleAbstract: A series of 2-(haloalkyl)-3-azidomethyl and 6-azido chromones has been synthetized, characterized anPalabras claves:azidochromone, Hirshfeld surface analysis, Quantum chemical calculations, Spectroscopic properties, structural X-ray diffractionAutores:Christian David Alcívar León, Echeverría G.A., Ena G. Narváez-Ordoñez, Jios J.L., Jorge Hebkp_redia-Moya, Kevin A. Pabón-Carcelén, Langer P., Luis A. Ramos-Guerrero, Pablo M. Bonilla-Valladares, Piro O.E., Trosky G. Yánez-Darquea, Ulic S.E., Zurita-Saltos D.A.Fuentes:googlescopusSynthesis, experimental and theoretical study of novel 2-haloalkyl (-CF<inf>2</inf>H, -CCl<inf>2</inf>H, -CF<inf>2</inf>CF<inf>3</inf>)-, 3-bromo and bromomethyl substituted chromones
ArticleAbstract: A set of seven new chromones with 2-haloalkyl (-CF2H, -CCl2H, -CF2CF3) and 3-bromo and bromomethyl sPalabras claves:2-haloalkyl chromones, Halogen bonds, Hirshfeld surface analysis, Quantum chemical calculations, Spectroscopic properties, structural X-ray diffractionAutores:Christian D. Alcívar L, Echeverría G.A., Ena G. Narváez O, Jios J.L., Jorge Hebkp_redia-Moya, Langer P., Pablo M. Bonilla V, Piro O.E., Ulic S.E., Zurita-Saltos D.A.Fuentes:scopusThe role of halogen C-X<inf>1</inf>⋯X<inf>2</inf>-C contact on the preferred conformation of 2-perhalomethylchromones in solid state
ArticleAbstract: The solid state of 2-chlorodifluoromethyl-3-methylchromone (1) and 3-bromomethyl-2-chlorodifluorometPalabras claves:2-Chlorodifluoromethylchromones, Halogen-halogen contacts, Quantum chemical calculations, Single crystal x-ray diffraction, Spectroscopic propertiesAutores:Argüello G.A., Burgos Paci M.A., Christian David Alcívar León, Echeverría G.A., Jios J.L., Piro O.E., Ulic S.E.Fuentes:googlescopus