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A reação de Diels-Alder de p-Benzoquinonas em versão multicomponente
(Universidade Federal de São Carlos, 2005-08-24)
A study of the multicomponent version of the Diels-Alder reaction of para-benzoquinones has been proposed, with the idea of uniting the versatility of the reaction with the simplicity of the methodology. The key step ...
Quelato complexos de oxovanádio (IV): potenciais mimetizadores de insulina.
(Universidade Federal de São Carlos, 2004-08-18)
Based on studies of another studies that explored the capacity
of oxovanadium(IV) ion to mimic insulin, we had the idea to contribute with this line of research. For this, our choice of ligands was trans - 1,2 ...
O problema dos fenômenos de dirupção e de reação zonal no sistema Pb/PbSO4/H2SO4
(Universidade Federal de São Carlos, 2007-05-03)
Desenvolvimento de pigmentos nanométricos encapsulados.
(Universidade Federal de São Carlos, 2004-04-08)
In the present study, perovskite-type NiTiO3 ceramic pigments were
prepared by the polymeric precursor method, originally proposed by Pechini.
The transluscent and viscous polymeric resin was characterized by
thermogravimetric ...
A reação de Diels-Alder entre p-Benzoquinonas 1,3-Pentadienos-1-Substituídos.
(Universidade Federal de São Carlos, 2004-07-23)
In this dissertation, studies are described on the cycloaddition of 1-silyloxypentadiene-
1,3 and 1-acylamino-pentadiene-1,3 with alkylated para-benzoquinones.
The first methodology involves cycloaddition reactions of ...
Utilização de modelos moleculares no ensino de estequiometria para alunos do ensino médio.
(Universidade Federal de São Carlos, 2005-04-11)
The lack instructional materials for science
teaching is a common problem in Brazil, and concerning to chemistry teaching in
particular this problem can be observed even in more developed countries. Although
molecular ...
Caracterização dos processos eletroquímicos em filmes automontados de poli(o-metoxianilina) e poli(ácido-3-tiofeno acético).
(Universidade Federal de São Carlos, 2003-05-19)
In this work, the electrochemical characterization of a self-assembled
film containing two conductive polymers, poly(o-methoxyanilina)(POMA) and poly(3-
thiophene acetic acid)(PTAA), is presented. The technique that allows ...
Estudo e desenvolvimento de banhos contendo benzotriazol para eletrodeposição de níquel e caracterização química, física e morfologica dos filmes
(Universidade Federal de São Carlos, 2008-03-07)
In this work, nickel electrodeposition has been studied in the presence of the additives BTAH and/or EDTA onto platinum substrate from Watts plating bath, at different pH. The deposition and dissolution processes with or ...
Complexos de Cromo(III)-salen como catalisadores em reações de oxidação de sulfetos
(Universidade Federal de São Carlos, 2009-02-06)
Transition metal complexes participate in many chemical processes. The study of these complexes is very interesting because of the diversified chemistry and great utility. Transition metal complexes act as catalysts in ...
Metabólitos secundários de Streptomyces clavuligerus ATCC 27064 e fungos endofíticos filamentosos
(Universidade Federal de São Carlos, 2008-10-11)
This work describes the investigation of part of the secondary metabolism of actinomicete Streptomyces clavuligerus and endophytic filamentous fungus Penicillium sp isolated from Murraya paniculata; Penicillium brasilianum ...