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Avaliação de métodos de preparo de amostras para a determinação de cloro em temperos
(Universidade Federal de Santa Maria, 2012-05-24)
In this study, sample preparation methods were evaluated for the
determination of chlorine by ion chromatography (IC) in spice samples. The
microwave-induced combustion method (MIC) was tested using certified ...
Síntese regiosseletiva de 4-trifluormetil-2-(metiltio)-3,4-diidropirimidin-4-óis 3,6-dissubstituídos com efeito inibitório enzimático
(Universidade Federal de Santa Maria, 2012-02-27)
This work reports a simple and versatile new strategy for the regiosselective synthesis of N3-substituted 6-alkyl(aryl or heteroaryl)-4-trifluoromethyl-2-(methylthio)-3,4-dihydropyrimidin-4-ols, which enabled to establish ...
Síntese, nanoencapsulamento e atividade biológica de compostos triazenos
(Universidade Federal de Santa Maria, 2012-02-01)
Compounds featuring triazenidic units constitute a versatile class of molecules for the preparation of new inorganic complexes with broad applications that include cancer therapy such as leukemia treatment. Gold-triazenide ...
Síntese esteresseletiva de bis-calcogenetos vinílicos catalisada por FeCL3
(Universidade Federal de Santa Maria, 2012-06-29)
Não foi possível inserir o abstract.
Síntese one pot de 1,3,4-oxadiazóis derivados de L-aminoácidos e benzoil-hidrazidas
(Universidade Federal de Santa Maria, 2012-07-20)
In the following work, a range of 1,3,4-oxadiazles 2,5-disubstituted 3 was
prepared, using a one pot approach, from L-amino acids 1(a-e) and 2-benzoylhydrazides,
using POCl3 as dehydrating agent.
The study involved the ...
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 ...