Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina
Ano de defesa: | 2020 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , , , |
Tipo de documento: | Tese |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
Centro de Ciências Naturais e Exatas |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Química
|
Departamento: |
Química
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/23439 |
Resumo: | Organochalcogen compounds have been the subject of several studies regarding their biological potential in various applications, such as antitumor, antiviral, anti-inflammatory, and antioxidant. Regarding the last, we can highlight its use in combating oxidative stress and its consequences. In this context, ferulic acid is a natural molecule that has a wide variety of biological applications, where we can highlight its ability to act as an antioxidant agent. In the same way, nucleoside analogs have a growing interest in their derivatives for the synthesis of new drugs. On the other hand, the development of new photosensitizers for application in photodynamic therapy has been a very current research target. Among the existing photosensitizers, we can present Rodaminas. Thus, this work had as one of its objectives the preparation of a new class of chalcogen-nucleosides conjugated with ferulic acid. In this work, fifteen chalcogen-nucleoside analogs derived from ferulic acid were synthesized. For this purpose, a protocol was developed using mild conditions, where the said compounds were prepared in good yields (34%-96%). It was found that the studied compounds exhibited anticancer activity in vitro against the bladder cancer cell line, without demonstrating toxic effects in the in vitro assays. performed on mice. They were also tested for their antioxidant capacity in vitro. It was thus observed that the compounds have superior activity in comparison to ferulic acid and all the other standards used. Still, the second objective of this work involved the preparation of photosensitizers applicable to photodynamic therapy derived from rhodamine. In this context, a total of twelve compounds were synthesized, starting from 5'-arylchalcogenyl- 3'-amino-thymidine and rhodamine B, thus obtaining products, in almost all cases, with good yields (14%-96%) and with excellent perspectives aiming their application to PDT, through a simple methodology. |
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2021-12-29T13:22:22Z2021-12-29T13:22:22Z2020-11-06http://repositorio.ufsm.br/handle/1/23439Organochalcogen compounds have been the subject of several studies regarding their biological potential in various applications, such as antitumor, antiviral, anti-inflammatory, and antioxidant. Regarding the last, we can highlight its use in combating oxidative stress and its consequences. In this context, ferulic acid is a natural molecule that has a wide variety of biological applications, where we can highlight its ability to act as an antioxidant agent. In the same way, nucleoside analogs have a growing interest in their derivatives for the synthesis of new drugs. On the other hand, the development of new photosensitizers for application in photodynamic therapy has been a very current research target. Among the existing photosensitizers, we can present Rodaminas. Thus, this work had as one of its objectives the preparation of a new class of chalcogen-nucleosides conjugated with ferulic acid. In this work, fifteen chalcogen-nucleoside analogs derived from ferulic acid were synthesized. For this purpose, a protocol was developed using mild conditions, where the said compounds were prepared in good yields (34%-96%). It was found that the studied compounds exhibited anticancer activity in vitro against the bladder cancer cell line, without demonstrating toxic effects in the in vitro assays. performed on mice. They were also tested for their antioxidant capacity in vitro. It was thus observed that the compounds have superior activity in comparison to ferulic acid and all the other standards used. Still, the second objective of this work involved the preparation of photosensitizers applicable to photodynamic therapy derived from rhodamine. In this context, a total of twelve compounds were synthesized, starting from 5'-arylchalcogenyl- 3'-amino-thymidine and rhodamine B, thus obtaining products, in almost all cases, with good yields (14%-96%) and with excellent perspectives aiming their application to PDT, through a simple methodology.Compostos organocalcogênios vem sendo objeto de vários estudos quanto ao seu potencial biológico em várias aplicações, como antitumoral, antiviral, antiinflamatório e antioxidante. Com relação a esta ultima, podemos destacar seu emprego no combate ao estresse oxidativo e suas consequências. Neste contexto, o ácido ferúlico é uma molécula natural que apresenta uma grande variedade de aplicações biológicas, onde podemos destacar a sua capacidade de atuar como agente antioxidante. Da mesma maneira, os análogos de nuclesídeos apresentam um crescente interesse nos seus derivados para a síntese de novos fármacos. Ainda, o desenvolvimento de novos fotosensibilizadores para a aplicação em terapia fotodinâmica vem sendo um alvo de pesquisa bastante atual. Entre os fotosensibilizadores existentes, podemos apresentar as Rodaminas. Assim, este trabalho teve como um dos seus objetivos a preparação de uma nova classe de calcogeno-nucleosides conjugados com ácido ferúlico. Assim, quinze análogos de calcogeno-nucleosídeos derivados do ácido ferúlico foram sintetizados. Para tal foi elaborado um protocolo utilizando condições brandas, onde os referidos compostos foram preparados em bons rendimentos (34%-96%). Verificou-se que os compostos estudados exibiam atividade anticâncer in vitro contra a linha celular de câncer de bexiga, sem a demonstração de efeitos tóxicos nos ensaios in vivo realizados em camundongos. Também foram testados quanto à sua capacidade antioxidante in vitro. Observou-se dessa forma que os compostos possuem atividade superior em comparação com o ácido ferúlico e todos os outros padrões utilizados. Ainda, um segundo objetivo deste trabalho envolveu a preparação de fotossensibilizadores aplicáveis a terapia fotodinâmica derivados da rodamina. Neste contexto um total de doze compostos foram sintetizados, a partir dos 5’-arilcalcogenil-3’-amino-timidina e rodamina B, obtendo-se assim produtos, em sua maioria, com bons rendimentos (14%-96%) e com ótimas perspectivas visando sua aplicação a TFD, através de uma metodologia simples.Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqporUniversidade Federal de Santa MariaCentro de Ciências Naturais e ExatasPrograma de Pós-Graduação em QuímicaUFSMBrasilQuímicaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessOrganocalcogênioÁcido ferúlicoAntioxidanteNucleosídeoRodamina BOrganochalcogenFerulic acidAntioxidantNucleosideRhodamine BCNPQ::CIENCIAS EXATAS E DA TERRA::QUIMICASíntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidinaSynthesis and biological evaluation of compounds derived from 5'-arylcalcogenyl-3'-amino-thymidineinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisRodrigues, Oscar Endrigo Dorneleshttp://lattes.cnpq.br/6536519955416085Dornelles, LucianoIglesias, Bernardo AlmeidaSchumacher, Ricardo FredericoFantinel, LeonardoGodoi, Marcelo dehttp://lattes.cnpq.br/1394351554044372Leal, Julliano Guerin10060000000060060060060060009fef019-ac43-4d8b-83d3-3565e4686d7b0f2a8499-92cb-4610-b73f-f990ab8be6cb88ff8616-1678-47c5-b3c5-9a8e5085844f483d6d0c-e419-454b-b413-1a51673258c36a26f817-0d52-41d8-9183-c785c92d110aeba5e7a6-11ae-4c8d-8467-992f3d7d46e67adc234a-9c95-4865-880c-d879a3c65fe7reponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALTES_PPGQUIMICA_2020_LEAL_JULLIANO.pdfTES_PPGQUIMICA_2020_LEAL_JULLIANO.pdfTeseapplication/pdf7852585http://repositorio.ufsm.br/bitstream/1/23439/1/TES_PPGQUIMICA_2020_LEAL_JULLIANO.pdf55fb1ffedfdc973c4983e3927404a130MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
dc.title.alternative.eng.fl_str_mv |
Synthesis and biological evaluation of compounds derived from 5'-arylcalcogenyl-3'-amino-thymidine |
title |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
spellingShingle |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina Leal, Julliano Guerin Organocalcogênio Ácido ferúlico Antioxidante Nucleosídeo Rodamina B Organochalcogen Ferulic acid Antioxidant Nucleoside Rhodamine B CNPQ::CIENCIAS EXATAS E DA TERRA::QUIMICA |
title_short |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
title_full |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
title_fullStr |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
title_full_unstemmed |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
title_sort |
Síntese e avaliação biológica de compostos derivados da 5’-arilcalcogenil-3’-amino-timidina |
author |
Leal, Julliano Guerin |
author_facet |
Leal, Julliano Guerin |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Rodrigues, Oscar Endrigo Dorneles |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6536519955416085 |
dc.contributor.advisor-co1.fl_str_mv |
Dornelles, Luciano |
dc.contributor.referee1.fl_str_mv |
Iglesias, Bernardo Almeida |
dc.contributor.referee2.fl_str_mv |
Schumacher, Ricardo Frederico |
dc.contributor.referee3.fl_str_mv |
Fantinel, Leonardo |
dc.contributor.referee4.fl_str_mv |
Godoi, Marcelo de |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/1394351554044372 |
dc.contributor.author.fl_str_mv |
Leal, Julliano Guerin |
contributor_str_mv |
Rodrigues, Oscar Endrigo Dorneles Dornelles, Luciano Iglesias, Bernardo Almeida Schumacher, Ricardo Frederico Fantinel, Leonardo Godoi, Marcelo de |
dc.subject.por.fl_str_mv |
Organocalcogênio Ácido ferúlico Antioxidante Nucleosídeo Rodamina B |
topic |
Organocalcogênio Ácido ferúlico Antioxidante Nucleosídeo Rodamina B Organochalcogen Ferulic acid Antioxidant Nucleoside Rhodamine B CNPQ::CIENCIAS EXATAS E DA TERRA::QUIMICA |
dc.subject.eng.fl_str_mv |
Organochalcogen Ferulic acid Antioxidant Nucleoside Rhodamine B |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS EXATAS E DA TERRA::QUIMICA |
description |
Organochalcogen compounds have been the subject of several studies regarding their biological potential in various applications, such as antitumor, antiviral, anti-inflammatory, and antioxidant. Regarding the last, we can highlight its use in combating oxidative stress and its consequences. In this context, ferulic acid is a natural molecule that has a wide variety of biological applications, where we can highlight its ability to act as an antioxidant agent. In the same way, nucleoside analogs have a growing interest in their derivatives for the synthesis of new drugs. On the other hand, the development of new photosensitizers for application in photodynamic therapy has been a very current research target. Among the existing photosensitizers, we can present Rodaminas. Thus, this work had as one of its objectives the preparation of a new class of chalcogen-nucleosides conjugated with ferulic acid. In this work, fifteen chalcogen-nucleoside analogs derived from ferulic acid were synthesized. For this purpose, a protocol was developed using mild conditions, where the said compounds were prepared in good yields (34%-96%). It was found that the studied compounds exhibited anticancer activity in vitro against the bladder cancer cell line, without demonstrating toxic effects in the in vitro assays. performed on mice. They were also tested for their antioxidant capacity in vitro. It was thus observed that the compounds have superior activity in comparison to ferulic acid and all the other standards used. Still, the second objective of this work involved the preparation of photosensitizers applicable to photodynamic therapy derived from rhodamine. In this context, a total of twelve compounds were synthesized, starting from 5'-arylchalcogenyl- 3'-amino-thymidine and rhodamine B, thus obtaining products, in almost all cases, with good yields (14%-96%) and with excellent perspectives aiming their application to PDT, through a simple methodology. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-11-06 |
dc.date.accessioned.fl_str_mv |
2021-12-29T13:22:22Z |
dc.date.available.fl_str_mv |
2021-12-29T13:22:22Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
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doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/23439 |
url |
http://repositorio.ufsm.br/handle/1/23439 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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100600000000 |
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Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Naturais e Exatas |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Química |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Química |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Naturais e Exatas |
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