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Síntese de calcogeno eninos através da reação de wittig-horner
(Universidade Federal de Santa Maria, 2006-07-25)
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Síntese e cristaloquímica de complexos de Hg(II) e Ni(II) com o ligante 1,3-BIS(4-bromofenil)triazenido
(Universidade Federal de Santa Maria, 2006-03-01)
Deprotonated 1,3-Bis(4-bromophenyl)triazene reacts with Hg(CH3COO)2 in methanol yielding [Hg(BrC6H4NNNC6H4Br)2]∞ (1) a triazenide complex polymer of Hg(II). The crystal
structure of (1) reveals one-dimensional infinite ...
Determinação de espécies de arsênio por LC-ICP-MS
(Universidade Federal de Santa Maria, 2006-07-28)
The development of a method for As speciation in aqueous by-product of pyrolysis process of foliate bituminous is described in the present work. Arsenic species are separated by liquid chromatography (LC) coupled to ...
Síntese e análise estrutural de novos dihaloorganoteluratos(II) monoaniônicos.
(Universidade Federal de Santa Maria, 2006-02-17)
In this dissertation the synthesis and structural characterization of the new series of monoanionic dihaloorganyltellurates(II) compounds with a general formula (C5H6N)[mesTeX2] is presented. Dimesitylditelluride (mesTe)2 ...
Síntese de 2-amino(alcoxi)-5-trifluoracetil-1,2,3,4-tetraidropiridinas e oxazolo[3,2-a]piridinas
(Universidade Federal de Santa Maria, 2006-07-03)
The present work describes the synthesis of novel 2-alkoxy-5-trifluoroacetyl-1,2,3,4-tetrahydropyridines, 2-amino-5-trifluoroacetyl-1,2,3,4-tetrahydropyridines and oxazolo[3,2-a]pyridines from the cyclocondensation reactions ...
Decomposição de elastômeros por combustão iniciada por microondas em sistema fechado
(Universidade Federal de Santa Maria, 2006-07-28)
A rapid digestion procedure for further determination of inorganic elements in carbon black-containing elastomers has been developed using sample combustion in closed quartz vessels with oxygen pressure. Microwave radiation ...
Investigação sobre a formação de espécies de arsênio orgânico em soluções de nutrição parenteral
(Universidade Federal de Santa Maria, 2006-06-21)
Parenteral nutrition is the nutrients administration by intravenous mean in patients who cannot consume them for gastrointestinal way. Parenteral Nutrition Solutions are stored in glass and plastic containers, being the ...
Análise estrutural de polímeros bidimensionais de fosfinatos de metais alcalinos e alcalinos terrosos
(Universidade Federal de Santa Maria, 2006-03-03)
In this work, the structures of three alkali and alkali-earth metal complexes of
phenylphosphinate ligands and ethylphosphinate ligands, (4) catena-poli-
[Ba(O2PHPh)2(OH2)], (5) catena-poli-[Na(O2PHPh)] e (6) ...
Pirazolo[1,5-a]pirimidinas: síntese e bromação
(Universidade Federal de Santa Maria, 2006-01-27)
The synthesis of a series of 2-methyl-7-trichloromethylpyrazolo[1,5-a]pyrimidines from the cyclocondensation reaction of 3-amino-5-methylpyrazole with 1,1,1-trichloro-4- alkoxyalk-3-en-2-ones [CCl3C(O)CH=C(R1)OR where R1 ...
Investigação de complexos binucleares de K+ E CU(II) com ligantes 1,3-diariltriazenidos simétricos
(Universidade Federal de Santa Maria, 2006-12-15)
At work present it synthesized and determined itself the molecular structure of a copper complex (II) and another of potassium in which both involve triazenides ligands
monocatenados previously deprotonated. The reaction ...