Results 121 to 126 of about 162 (126)
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Sistemas supramoleculares baseados em porfirinas: síntese e propriedades

2011
The work described in this thesis involves studies of supramolecular systems using meso-tetraarylporphyrins. This thesis is divided in four parts: an introduction, two experimental parts and a short conclusion. In the introductory chapter some general considerations about properties and applications of porphyrins, methods of synthesis and ...
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Porfirinas como dienófilos em reacções de diels-alder

2017
The work presented in this thesis is based on the use of meso-arylporphyrins as dienophiles in Diels-Alder reactions. It has been shown that nzeso-arylporphyrins react with ortho-quinodimethanes to give Diels-Alder adducts. The reaction of several meso-tetraarylporphyrins with o-benzoquinodimethane, generated in situ by thermal ekation of SOz fiam 1,3 ...
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Konjugacija porfirina s DL-butioninsulfoksiminom i D-eritrosfingozinom

2017
Fotodinamička terapija (PDT) se sve više upotrebljava u liječenju raka, ali i mnogih drugih bolesti. Da bi PDT bila uspješna, potrebne su tri komponente ; fotosenzibilizator (PS), izvor svjetla i kisik. Najčešći PS-i su porfirini, tetrapirolni aromatski spojevi. Do danas su u upotrebi 3 generacije PS-a.
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Síntese de derivados oligoméricos de porfirinas e ftalocianinas

2011
In this dissertation are described the functionalization of 5,10,15,20- tetraphenylporphyrin via nitro and amino groups and the preparation of novel porphyrin-phthalocyanine derivatives. In the first part, are discussed the general properties of porphyrins and phthalocyanines, synthetic methodologies used for their preparation, and some important ...
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Síntese e potenciais aplicações de novas porfirinas β-funcionalizadas

2013
Neste trabalho é descrita a síntese de novos derivados porfirínicos com potencial aplicação em terapia fotodinâmica (PDT) e como quimiossensores para o reconhecimento molecular de catiões metálicos. Os novos compostos foram preparados usando como “template” 2-formil-5,10,15,20-tetrafenilporfirina através de diferentes abordagens sintéticas, tais como ...
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