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Determinação de espécies de antimônio em antimoniato de meglumina
(Universidade Federal de Santa Maria, 2008-08-04)
In this study different methods for speciation of Sb(III) and Sb(V) in meglumine
antimoniate (NMG) were evaluated. Liquid chromatography (LC) combined or not
with hydride generation (HG) was investigated for separation of ...
Quantificação do alumínio administrado e excretado em recém-nascidos pré-termo em uma unidade de terapia intensiva neonatal
(Universidade Federal de Santa Maria, 2008-10-15)
Al is a ubiquitous element on the earth crust and is considered a non-essential
element for humans since it is not involved in any biochemical process. Aluminum
may act as a toxic species when it is introduced directly ...
Arranjos supramoleculares de triazenidos complexos de Ag(I) através de ligações de hidrogênio
(Universidade Federal de Santa Maria, 2008-08-14)
In this work we synthesized and determinates the crystaline/molecular structure of thre Ag(I) complexes, all of them use monocatenated triazenide ligands previously desprotonated. The complex [Ag(C6H4FNNNC6H4NO2)(C5H5N)]2 ...
Avaliação da associação molecular de complexos metálicos com ligante triazenido 1-óxido
(Universidade Federal de Santa Maria, 2008-06-16)
In this dissertation were synthetized six compounds, of the which one is free ligand 1- phenyl-3-(4-nitrophenyl) triazene 1-oxide (1) and five are triazenido complexes of [Ni(O2NC6H4NNN(O)C6H5)2(C5H5N)2] (2), [Zn(O2NC6H4 ...
Reações de ciclocondensação de cianoacetoidrazida com enonas halometil-substituídas
(Universidade Federal de Santa Maria, 2008-02-22)
The synthesis of thirteen 3-(R1), 4-(R2) and 5-(R3)-substituted 1-cyanoacetyl-5-hydroxy-4,5-dihydro-1H-pyrazoles from the cyclocondensation reaction of 4-alkoxy-3-alken-2-ones [R3C(O)C(R2)=C(R1)(OR), where R3 = CF3,
CCl3, ...
Síntese de 2-(1h-pirazol-1-il)-5-(1h-pirazol-1-il-1-carbonil) piridinas
(Universidade Federal de Santa Maria, 2008-02-20)
This work describes the synthesis of a new series of 2-[3-alkyl(aryl/heteroaryl)-5-trihalomethyl-5-hydroxy-4,5-dihydro-1H-pyrazol-1-il]-5-[3-alkyl(aryl/heteroaryl)-5-trihalomethyl-5-hydroxy-4,5-dihydro-1H-pyrazol-1-il-1- ...
Síntese de 5-hidróxi-3-(1,1-dimetoxietan-2-il)-5-trifluormetil-2-pirazolinas e 3-(1,1-difluoretan-2-il)-1H-pirazóis análogos
(Universidade Federal de Santa Maria, 2008-02-01)
This work describes, at first, the synthesis of 4,6,6-trimethoxy-1,1,1-trifluorohex-3-en-2-one by the acylation reaction of 1,1,3,3-tetramethoxybutane, in 65% yields.
Afterwards, the synthesis of a new series of ...
Síntese de alquinilvinil teluretos
(Universidade Federal de Santa Maria, 2008-08-23)
Não foi possível inserir o abstract.
Hidrocalcogenação de aminas e álcoois propargílicos catalisada por cloreto de cério (III)
(Universidade Federal de Santa Maria, 2008-02-22)
Unable to insert abstract.
Reação do tipo Negishi catalisada por sais de paládio com derivados do 3-iodo selenofeno
(Universidade Federal de Santa Maria, 2008-08-23)
Não foi possível inserir o abstract.