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Síntese de uma nova classe de moléculas derivadas do AZT: 5’- arilcalcogenil-3’-(4-fenilselenoalquil-1,2,3-triazol-1-il)-timidina com atividade antitumoral
(Universidade Federal de Santa Maria, 2018-02-23)
Abstract: This work presents the synthesis as well as the antitumor effect in vitro in
bladder cancer cells 5637 of a new class of 5'-arylcalcogenyl-3'-(4-phenylselenoalkyl-
1,2,3-triazol-1-yl)-thymidine derivatives ...
Síntese de 3-Trifluoracetil-1H-pirróis N-Aril substituídos
(Universidade Federal de Santa Maria, 2011-07-29)
This work presents a new, simple and versatile strategy for the synthesis of new N-aryl substituted 3-trifluoroacetyl-1H-pyrroles. The pyrroles were obtained by the reaction of 3-trifluoroacetyl-4,5-dihydrofuran with aryl ...
Síntese e análise estrutural de polímeros de coordenação e compostos moleculares derivados de Hg(TeAr)2
(Universidade Federal de Santa Maria, 2012-07-27)
This work presents a study related to the synthesis and structural analysis of
coordination polymers and molecular compounds derived from Hg(TeAr)2. Was used
as starting reagents some Hg(TeAr)2, considered basic building ...
Lupinus lanatus Benth, Lupinus guaraniticus (Hassl.) C. P. Sm., Lupinus paranensis C. P. Sm. (Fabaceae) e Waltheria douradinha Saint Hilaire (Sterculiaceae): isolamento e identificação de seus metabólitos e atividade biológica
(Universidade Federal de Santa Maria, 2015-07-31)
The part of our constant search for new bioactive secondary metabolites of plant origin,
the aerial parts of three species of the genus Lupinus (Leguminoseae), and the bark of
the roots of the species Waltheria douradinha ...
Especiação de compostos de enxofre, níquel e vanádio em cimento asfáltico de petróleo (CAP) e sua relação com os processos de envelhecimento
(Universidade Federal de Santa Maria, 2015-10-27)
The speciation of sulfur compounds in CAP is very important, considering that these compounds are responsible for oxidation processes in asphalt binders, modifying their chemical and physical characteristics. The aim of ...
Novos sulfetos e sulfonas fluorescentes: síntese e estudo das propriedades fotofísicas
(Universidade Federal de Santa Maria, 2012-08-03)
In this study, we performed the synthesis of new symmetrical vinyl sulfides 2-4 by Wittig-Horner reaction of aldehydes derived from diphenyl-, triphenylamine and carbazole with bis[(diphenylphosphinyl)methyl]sulfide 1. The ...
Efeito dos ânions de líquidos iônicos dicatiônicos na formação de agregados em solução
(Universidade Federal de Santa Maria, 2014-02-28)
This work reports the study of the molecular structure influence of ionic liquid (IL) derived from 1,8-bis(3-methylimidazolium-1-yl)octane in the aggregates formation in a solution ethanol in water (4,75%) and in ethanol ...
Estudo dos constituintes químicos de óleos voláteis de plantas medicinais do Rio Grande do Sul: isolamento, determinação e modificação estrutural e atividade biológica
(Universidade Federal de Santa Maria, 2004-10-27)
The essential oils of eight species of medicinal plants wild and cultivated in Rio Grande do Sul, pertaining to four botany family Asteraceae, Verbenaceae, Lamiaceae and Rutaceae were investigated as for its chemical ...
Síntese e análise estrutural de complexos de Urânio e Vanádio com ligantes derivados da piridoxina
(Universidade Federal de Santa Maria, 2009-12-11)
Uranyl and vanadyl complexes with ligands with oxygen and nitrogen donors atoms have been extensively reviewed and aroused remarkable interest on account their high
stability but, a few complexes of piridoxine derived ...
Aplicação de polímeros na construção de nanomateriais híbridos auto-organizados
(Universidade Federal de Santa Maria, 2013-02-22)
In this work the single-step/single-phase synthesis of hybrid organic-inorganic core-shell gold nanoparticles (AuNPs), facilitated by amino-functionalized amphiphilic block copolymers that simultaneously play the roles of ...