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Síntese de 1,2,4-oxadiazóis derivados de 4-tiazolidinonas e arilamidoximas
(Universidade Federal de Santa Maria, 2012-07-20)
The current work reports the incorporation of 4-thiazolidinones to oxadiazolic
ring by a simple and effective methodology.
Five species of thiazolidinones were synthesized by three component
condensation reaction of ...
Síntese e caracterização de um ligante bisfenilfosfinato rígido e novos compostos poliméricos
(Universidade Federal de Santa Maria, 2011-03-21)
In this work, the ammonium salt of acid and a new polymeric compound of Cadmium, ligand 1,4-phenylene bis phenylphosphinic acid already reported by Herring at 1967 (Herring, L., D.; United States Patent, 3, 341-576, 1967) ...
Síntese, caracterização e estudo da química de coordenação de novos compostos contendo Índio e Telúrio
(Universidade Federal de Santa Maria, 2011-07-29)
In this work we describe the synthesis and characterization of the first indium
and tellurium compounds in which tellurium shows metallic behavior towards indium.
We have studied the coordination chemistry of indium and ...
Síntese e caracterização estrutural de novos haletos de telúrio e organiltelúrio(IV) com bromo e cloro
(Universidade Federal de Santa Maria, 2013-09-18)
This work describes the synthesis and characterization of new tellurium and organiltellurium
(IV) halides, whereas the halogens chlorine and bromine were used. Despite being less stable
than the analogous iodine, these ...
Síntese de 1h-1,2,3-triazóis trialoacetil substituídos análogos estruturais da rufinamida
(Universidade Federal de Santa Maria, 2013-02-15)
The present dissertation describes a chemical methodology for the synthesis of three series containing fourteen new molecules of trifluoro(chloro)methyl substituted 1H-1,2,3-triazoles, which are structural analogues to the ...
Desenvolvimento, otimização e validação de método rápido para determinação de ácido fólico em farinha de trigo enriquecida
(Universidade Federal de Santa Maria, 2012-03-09)
In order to eliminate the problems related to deficient intake of vitamins folate class, many food products are being subjected to the enrichment process. Among them, all types of wheat flour must be enriched with folic ...
Síntese de 3-haloacetil-4-metilquinolinas utilizando líquido iônico sob irradiação de micro-ondas
(Universidade Federal de Santa Maria, 2011-07-27)
The synthesis of a series of 3-haloacetyl-4-methyl-quinolines from the
cyclocondensation reaction of 4-alkoxyvinyl ketones [R1C(O)CH=C(R2)(OCH3),
where R1 = CF3, CCl3, CHCl2, CF2Cl, CF2CF3 and R2 = Me, Et, Pr, Bu, i-Bu, ...
Efeito da topologia molecular no empacotamento cristalino de Pirazolo[1,5-a]pirimidinas
(Universidade Federal de Santa Maria, 2013-02-27)
This study shows the influence of the molecular topology of the crystal of a series of 14 pyrazolo[1,5-a]pyrimidines. The topological data were obtained from X-ray diffraction data and energy stabilization were determined ...
Influência dos parâmetros reacionais na N-alquilação de 3,5-dimetil-1H-pirazol sob irradiação de micro-ondas
(Universidade Federal de Santa Maria, 2012-02-27)
This work describes the reaction parameters influence in the 3,5-dimethyl-1H-pyrazole N-alkylation under microwave irradiation. The experiments were performed in different conditions with the purpose of verified the influence ...
Conversão biotecnológica de casca de arroz em celulose bacteriana
(Universidade Federal de Santa Maria, 2019-01-25)
The state of Rio Grande do Sul is the major national rice producer and generates each
year large volumes of rice husk (RH) ̶ a left-over biomass with no controlled
destination, composed essentially by lignin, cellulose ...