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Complexos mono- e bimetálicos de cobre(II) e de cobalto(III) com bases de Schiff tridentadas e tetradentadas: sínteses, caracterizações e estudos em reações catalíticas
(Universidade Federal de São Carlos, 2014-05-20)
This dissertation details the synthesis with satisfactory reaction yields (between 56.3 and 96.5%) of mono- and bimetallic complexes of copper(II) and of cobalt(III), containing as ligands, tridentate and tetradentate ...
Síntese de precursores de heterociclos e sistemas cíclicos nitrogenados
(Universidade Federal de São Carlos, 2018-03-23)
β-halovinyl ketones are valuable and versatile synthetic intermediates for the synthesis of precious bioactive molecules. Majority of the already described methodologies for the synthesis of these versatile building blocks ...
Determinação in situ de analitos de interesse alimentício empregando tratamento de imagens digitais de spot tests
(Universidade Federal de São Carlos, 2013-07-12)
In this work a simple, fast and inexpensive analytical method was developed to carry out in situ determinations of ethanol and sulfite ions in food samples. The method was based on digital images captured by cameras and / ...
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)
Vidros óxidos de metais pesados contendo nanopartículas de metais de transição, para aplicações em fotônica
(Universidade Federal de São Carlos, 2012-02-28)
This work consists on the preparation and characterization of the optical, thermal and structural properties of glasses and nano-glass-ceramics based on heavy metal oxide glasses, containing different transition metal ...
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 ...
Emprego da organocatálise como uma ferramenta da química verde em reações de adição conjugada : estudos visando a síntese de anéis indólicos
(Universidade Federal de São Carlos, 2012-03-30)
Organocatalysis has emerged as a powerful synthetic paradigm and has accelerated the development of new methods to make diverse chiral molecules. In addition, the small chiral organic molecules used to accelerate asymmetric ...
Estudo das propriedades fotofísicas de molibdatos de estrôncio dopados com európio (III)
(Universidade Federal de São Carlos, 2011-06-30)
Study of the photophysical properties of strontium molybdates doped with Europium (III). In this project the strontium molybdates doped with europium were characterized using various techniques like X-ray diffraction, ...
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 ...