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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 ...
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 ...
Funcionalização da palha de milho com 3-aminopropiltrietoxisilano para adsorção do corante vermelho reativo 141
(Universidade Federal de Santa Maria, 2019-08-05)
An alternative and low cost adsorbent (CS–APTES) was developed by the functionalization corn stover (CS) with 3–aminopropyltrietoxysilane (APTES) using a simple method of reaction under reflux. The techniques of Fourier ...
Determinação de resíduos de agrotóxicos em tomate para fins de acreditação
(Universidade Federal de Santa Maria, 2014-01-17)
The optimization and validation of an analytical method for 51 pesticides determination in tomato, using UPLC-MS/MS, was developed in order to fulfill the requirement 5.4.5 (Method Validation) of the NBR ISO/IEC 17025:2005 ...
Síntese de novos sulfetos, sulfóxidos e sulfonas vinílicas derivados do N-fenilpirazol
(Universidade Federal de Santa Maria, 2013-03-01)
Não foi possível inserir o abstract.
Caleol: modificações estruturais, estereoquímica absoluta e atividade antimicrobiana dos derivados
(Universidade Federal de Santa Maria, 2011-02-24)
The essential oil of the leaves of Calea clematidea, a plant of Asteraceae
family used in the folk medicine in treatment of flu, stomachic disease and gastric
ulcer, was extracted and of it was isolated the monoterpene ...
Análise fitoquímica e estudo das atividades antimicrobiana, antioxidante e de inibição da enzima acetilcolinesterase das espécies Zanthoxylum rhoifolium e Zanthoxylum hyemale
(Universidade Federal de Santa Maria, 2010-10-22)
The present study was designed to evaluate the biological activity from the stem bark of Zanthoxylum rhoifolium and Zanthoxylum hyemale. The neutral methanol extract and
fractions of this extract, the basic fractions that ...
Síntese de 1,3-oxazinas e 1,2,3-triazóis derivados de cumarina
(Universidade Federal de Santa Maria, 2019-02-19)
In this work we developed a methodology for the synthesis of 1,3-oxazines
derived from aminocoumarins by the hydroxymethylation/acetalization reaction with
aldehydes catalyzed by H2SO4 in aqueous media. The scope and ...
Sintese e avaliação como fotossensibilizadores de novos triazoil-fulerenos funcionalizados com AZT e com calcogenos derivados de AZT
(Universidade Federal de Santa Maria, 2014-08-07)
Herein we report the synthesis of a new class of AZT-functionalized fullerenes. The synthetic strategic furnished the desired products in few reactional steps, in a convergent manner, in yields ranging from 22 to 43 ...
Oligoésteres e poliésteres obtidos a partir do ácido oleico modificado com forma estrela: síntese e caracterização físico-química
(Universidade Federal de Santa Maria, 2012-07-30)
This works investigated the curing reaction of epoxidized oleic acid starshaped
with different anhydrides, forming product as oligoésteres and polyesters.
Oleic acid modified was obtained by esterification of oleic acid ...