Buscar
Itens para a visualização no momento 31-36 of 36
Síntese regiosseletiva de novas (4,5-diidropirazol-1-il)(-pirimidin-4-il)metanonas com potencial farmacológico
(Universidade Federal de Santa Maria, 2016-10-20)
This study shows the synthesis of five new 6-substituted 2-methylthio-4-pyrimidine carbohydrazides, aryl groups having such substituents (Ph, 4-FC6H4, 4-BrC6H4, 4-MeC6H4, 4-MeOC6H4) from the nucleophilic substitution of ...
Avaliação da capacidade antirradicalar do neurosporeno: um estudo teórico
(Universidade Federal de Santa Maria, 2016-06-23)
Carotenoids are natural pigments known for being vitamin A precursors and for their important biological activities, such as antioxidant activity. In this study, the free radical scavenger capacity of neurosporene was ...
Desenvolvimento de método para determinação de resíduos de antiparasitários em leite bovino empregando LLE-LTP E LC-MS/MS
(Universidade Federal de Santa Maria, 2016-08-26)
Milk is one of the most consumed fresh food, considered a nutritionally
complete product. Veterinary drugs are used in order to increase productivity.
However, improper use of these products may result in the presence ...
Ciclização intramolecular do 1-benzil-2-alquinilbenzeno promovida por FeCl3 e dicalcogeneto de diorganoíla: síntese dos 9-(organocalcogênio)-5H-benzo[7]anulenos
(Universidade Federal de Santa Maria, 2016-02-29)
In the present work, a series of 1-benzyl-2-alkylbenzenes functionalized was subjected to intramolecular cyclization reaction promoted by iron(III) chloride with diorganyl dichalcogenide allowed the synthesis of ...
Novos calcogenolatos de paládio(II) contendo núcleo [Pd2(-ER)2]: síntese e caracterização estrutural
(Universidade Federal de Santa Maria, 2016-02-26)
This work describes the synthesis and structural characterization of six new palladium(II) chalcogenolates derivatives containing [Pd2(-ER)2] core. These six compounds were characterized by single crystal X-ray diffraction ...
Investigação espectrométrica da transferência gás-sólido envolvendo naftaleno, antraceno e criseno em XAD-2, EPU e sílica
(Universidade Federal de Santa Maria, 2016-03-04)
Polycyclic aromatics hydrocarbons (PAH) are an important class of pollutants
ubiquitous in the environment, being spread from its source to different parts of the world, like
Amazonia and Antartica, and has already been ...