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Estudo de reações de N-alquilação de pirimidin-2-onas: síntese de novos análogos nucleosídicos modificados
(Universidade Federal de Santa Maria, 2008-01-15)
This work presents a study of the N-alkylation reactions of 4-
(trichloromethyl)pyrimidin-2(1H)-one(2), 5-bromo-4-methoxy-4-(trichloromethyl)-3,4-dihydropyrimidin-2-(1H)-one (7), 4-methoxy-4-(trichloromethyl)-3,4-dihydr ...
Avaliação da Supramolecularidade de complexos triazenidos mononucleares e binucleares de Ag(I)
(Universidade Federal de Santa Maria, 2009-07-01)
This work presents the synthesis and the investigation of the crystalline and molecular structure of five new mononuclear or binuclear complexes of Ag(I) with monocatenated triazenido ligands. The mononuclear complexes ...
Síntese de 3-trifluoracetilpirróis N-substituídos
(Universidade Federal de Santa Maria, 2008-02-18)
This work presents a new, simple and versatile one-pot strategy for the synthesis of new N-substituted 3-trifluoroacetyl-pyrroles. These compounds were obtained by the reaction of 3-trifluoroacetyl-4,5-dihydrofuran with ...
Síntese e análise estrutural de clusters derivados de Hg(EPh)2 (E = Se, Te)
(Universidade Federal de Santa Maria, 2009-03-04)
This work presents a study related to the synthesis and structural analysis of clusters derivative from Hg(EPh)2 (E = Se, Te). Bis(phenylchalcogenide)mercury was used as starting material, which is considered a building ...
Determinação de bispiribaque-sódico, quincloraque e tebuconazole em água de lavoura de arroz irrigado empregando SPE e HLPC-DAD
(Universidade Federal de Santa Maria, 2009-03-04)
Rice is one of the most produced and consumed cereal in the world. It plays a strategic role both economically and socially. Southern is responsible for about 60% of Brazilian rice production, which is directly linked to ...
Avaliação de processos de remoção química de fósforo de efluente de suinocultura
(Universidade Federal de Santa Maria, 2008-01-17)
The increasing of swine growing in confinement area have forced the application of new technologies to increase production and costs reduction. Large amount of manure containing pollutants is generated as a consequence. ...
Desenvolvimento e validação de método para determinação de etilenotiouréia em urina empregando HPLC UV
(Universidade Federal de Santa Maria, 2008-03-28)
In order to supply the world-wilde demand for food, it is essential to use the pesticides to protect the crops against pests and diseases. But the indiscriminate and injudicious use of these compounds have resulted in ...
Síntese e atividade antimicrobiana de 3-trifluormetil(oxo)-pirimido[1,2-a]benzimidazóis
(Universidade Federal de Santa Maria, 2005-02-15)
This work presents the synthesis of a series of 3-trifluormethyl(oxo)-pyrimido[1,2-a]benzimidazoles from the cyclocondensation reaction between 2-amino-1H-benzimidazol and 4-alcoxy-1,1,1-trihalo-3-alquen-2-ones.
The ...
Espectrometria de absorção atômica com tubo aquecido na chama e amostragem direta de sólidos para determinação de manganês e níquel em coque de petróleo
(Universidade Federal de Santa Maria, 2009-07-28)
A solid sampling flame furnace atomic absorption spectrometry (SS-FF-AAS)
system was developed in this work for Mn and Ni determination in petroleum coke.
The proposed solid sampling system was made in quartz, with two ...
Análise estrutural de quatro polímeros de coordenação de difenilfosfinatos de metais alcalinos e alcalinos terrosos
(Universidade Federal de Santa Maria, 2005-03-04)
Não foi possível inserir o abstract.