Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity

Detalhes bibliográficos
Autor(a) principal: Neves, Amanda P.
Data de Publicação: 2009
Outros Autores: Barbosa, Cláudia C., Greco, Sandro J., Vargas, Maria D., Visentin, Lorenzo C., Pinheiro, Carlos B., Mangrich, Antônio S., Barbosa, Jussara P., Costa, Gisela L. da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/28124
Resumo: Uma série de novas Bases de Mannich (HL1-HL13) derivadas da 2-hidroxi-1,4-naftoquinona (lausona), benzaldeídos substituídos [C6H2R1R2R3C(O)H] e várias aminas primárias (NH2R4, R4 = n-butil, benzil, alil, 2-furfuril) e seus complexos de Cu2+, [Cu(L1)2]-[Cu(L13)2], foram sintetizados e caracterizados por métodos analíticos e espectroscópicos. As estruturas dos complexos 1 (R1 = R2 = R3 = H; R4 = Bu), 2 (R1 = R3 = H; R2 = NO2; R4= Bu) e 7 (R1 = OH; R2 = R3 = H; R4= Bu) foram determinadas por estudos de difração de raios-X de monocristal. Todos os compostos cristalizam em grupos espaciais centrossimétricos, com um cobre no centro de inversão. Dois L− coordenam-se através dos átomos de oxigênio do naftalen-2-olato e do nitrogênio da amina secundária, formando anéis quelatos de seis membros ao redor do átomo de cobre em um ambiente trans-N2O2. A atividade antimicrobial de todos os compostos foi testada em sete diferentes linhagens de bactérias: Bacillus cereus, Bacillus subtilis, Escherichia coli, Enterococcus faecalis, Klebsiella pneumoniae, Pseudomonas aeruginosa e Staphylococcus aureus. Em geral, as bases de Mannich foram mais ativas que os complexos, sendo HL11 (R1 = OH; R2 =H; R3 = Me; R4= Bn) e HL13 (R1 = OH; R2 = H; R3 = Br; R4= Bn) os inibidores mais potentes. O MIC para o composto mais ativo HL11 contra S. Coli foi 20 μmol L-1 (8 μg mL-1), melhor que o cloranfenicol (90 μmol L-1) e bem abaixo da maioria dos valores descritos para outras naftoquinonas.
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spelling Neves, Amanda P.Barbosa, Cláudia C.Greco, Sandro J.Vargas, Maria D.Visentin, Lorenzo C.Pinheiro, Carlos B.Mangrich, Antônio S.Barbosa, Jussara P.Costa, Gisela L. da2018-08-14T13:34:13Z2018-08-14T13:34:13Z2009NEVES, Amanda P. et al. Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity. J. Braz. Chem. Soc., v.20, n. 4, p. 712-727, 2009.0103-5053https://www.arca.fiocruz.br/handle/icict/281241678-4790Uma série de novas Bases de Mannich (HL1-HL13) derivadas da 2-hidroxi-1,4-naftoquinona (lausona), benzaldeídos substituídos [C6H2R1R2R3C(O)H] e várias aminas primárias (NH2R4, R4 = n-butil, benzil, alil, 2-furfuril) e seus complexos de Cu2+, [Cu(L1)2]-[Cu(L13)2], foram sintetizados e caracterizados por métodos analíticos e espectroscópicos. As estruturas dos complexos 1 (R1 = R2 = R3 = H; R4 = Bu), 2 (R1 = R3 = H; R2 = NO2; R4= Bu) e 7 (R1 = OH; R2 = R3 = H; R4= Bu) foram determinadas por estudos de difração de raios-X de monocristal. Todos os compostos cristalizam em grupos espaciais centrossimétricos, com um cobre no centro de inversão. Dois L− coordenam-se através dos átomos de oxigênio do naftalen-2-olato e do nitrogênio da amina secundária, formando anéis quelatos de seis membros ao redor do átomo de cobre em um ambiente trans-N2O2. A atividade antimicrobial de todos os compostos foi testada em sete diferentes linhagens de bactérias: Bacillus cereus, Bacillus subtilis, Escherichia coli, Enterococcus faecalis, Klebsiella pneumoniae, Pseudomonas aeruginosa e Staphylococcus aureus. Em geral, as bases de Mannich foram mais ativas que os complexos, sendo HL11 (R1 = OH; R2 =H; R3 = Me; R4= Bn) e HL13 (R1 = OH; R2 = H; R3 = Br; R4= Bn) os inibidores mais potentes. O MIC para o composto mais ativo HL11 contra S. Coli foi 20 μmol L-1 (8 μg mL-1), melhor que o cloranfenicol (90 μmol L-1) e bem abaixo da maioria dos valores descritos para outras naftoquinonas.A series of novel Mannich bases (HL1-HL13) derived from 2-hydroxy-1,4-naphthoquinone (lawsone), substituted benzaldehydes [C6H2R1R2R3C(O)H] and various primary amines (NH2R4, R4 = n-butyl, benzyl, allyl, 2-furfuryl), and their Cu2+ complexes, [Cu(L1)2]-[Cu(L13)2], have been synthesized and fully characterized by analytical and spectroscopic methods. The structures of complexes 1 (R1 = R2 = R3 = H; R4 = Bu), 2 (R1 = R3 = H; R2 = NO2; R4= Bu) and 7 (R1 = OH; R2 = R3 = H; R4= Bu) were determined by single crystal X-ray diffraction studies. All complexes crystallize in centrosymmetric space groups, with a copper atom in the inversion centre. Two L− coordinate through the naphthalen-2-olate oxygen and secondary amine-N atoms, forming sixmembered chelate rings around the copper atom in a trans-N2O2 environment; spectroscopic data confirm that the other complexes exhibit similar molecular arrangement. The antimicrobial activity of all compounds has been tested on seven different strains of bacteria: Bacillus cereus, Bacillus subtilis, Escherichia coli, Enterococcus faecalis, Klebsiella pneumoniae, Pseudomonas aeruginosa and Staphylococcus aureus. In general, Mannich bases were more active than complexes, HL11 (R1 = OH; R2 =H; R3 = Me; R4= Bn) and HL13 (R1 = OH; R2 = H; R3 = Br; R4= Bn) being the most potent inhibitors. The MIC for the most active compound HL11 against S. Coli was 20 μmol L-1 (8 μg mL-1), better than Chloramphenicol (90 μmol L-1) and well below most values reported for other naphthoquinones.Universidade Federal Fluminense. Instituto de Química. Niterói, RJ, Brasil.Universidade Federal Fluminense. Instituto de Química. Niterói, RJ, Brasil.Universidade Federal Fluminense. Instituto de Química. Niterói, RJ, Brasil.Universidade Federal Fluminense. Instituto de Química. Niterói, RJ, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Química. Rio de Janeiro, RJ, Brasil.Universidade Federal de Minas Gerais. Departamento de Física. Belo Horizonte, MG, Brasil.Universidade Federal do Paraná. Centro Politécnico. Departamento de Química. Curitiba, PR, BrasilFundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil.engSociedade Brasileira de QuímicaAtividade antibacterianaaminonaftoquinonascomplexos de cobreBases de Mannichdeterminação da estrutura cristalinaaminonaphthoquinonescopper complexesMannich basescrystal structure determinationantibacterial activityNovel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activityinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
title Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
spellingShingle Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
Neves, Amanda P.
Atividade antibacteriana
aminonaftoquinonas
complexos de cobre
Bases de Mannich
determinação da estrutura cristalina
aminonaphthoquinones
copper complexes
Mannich bases
crystal structure determination
antibacterial activity
title_short Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
title_full Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
title_fullStr Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
title_full_unstemmed Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
title_sort Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity
author Neves, Amanda P.
author_facet Neves, Amanda P.
Barbosa, Cláudia C.
Greco, Sandro J.
Vargas, Maria D.
Visentin, Lorenzo C.
Pinheiro, Carlos B.
Mangrich, Antônio S.
Barbosa, Jussara P.
Costa, Gisela L. da
author_role author
author2 Barbosa, Cláudia C.
Greco, Sandro J.
Vargas, Maria D.
Visentin, Lorenzo C.
Pinheiro, Carlos B.
Mangrich, Antônio S.
Barbosa, Jussara P.
Costa, Gisela L. da
author2_role author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Neves, Amanda P.
Barbosa, Cláudia C.
Greco, Sandro J.
Vargas, Maria D.
Visentin, Lorenzo C.
Pinheiro, Carlos B.
Mangrich, Antônio S.
Barbosa, Jussara P.
Costa, Gisela L. da
dc.subject.other.pt_BR.fl_str_mv Atividade antibacteriana
aminonaftoquinonas
complexos de cobre
Bases de Mannich
determinação da estrutura cristalina
topic Atividade antibacteriana
aminonaftoquinonas
complexos de cobre
Bases de Mannich
determinação da estrutura cristalina
aminonaphthoquinones
copper complexes
Mannich bases
crystal structure determination
antibacterial activity
dc.subject.en.pt_BR.fl_str_mv aminonaphthoquinones
copper complexes
Mannich bases
crystal structure determination
antibacterial activity
description Uma série de novas Bases de Mannich (HL1-HL13) derivadas da 2-hidroxi-1,4-naftoquinona (lausona), benzaldeídos substituídos [C6H2R1R2R3C(O)H] e várias aminas primárias (NH2R4, R4 = n-butil, benzil, alil, 2-furfuril) e seus complexos de Cu2+, [Cu(L1)2]-[Cu(L13)2], foram sintetizados e caracterizados por métodos analíticos e espectroscópicos. As estruturas dos complexos 1 (R1 = R2 = R3 = H; R4 = Bu), 2 (R1 = R3 = H; R2 = NO2; R4= Bu) e 7 (R1 = OH; R2 = R3 = H; R4= Bu) foram determinadas por estudos de difração de raios-X de monocristal. Todos os compostos cristalizam em grupos espaciais centrossimétricos, com um cobre no centro de inversão. Dois L− coordenam-se através dos átomos de oxigênio do naftalen-2-olato e do nitrogênio da amina secundária, formando anéis quelatos de seis membros ao redor do átomo de cobre em um ambiente trans-N2O2. A atividade antimicrobial de todos os compostos foi testada em sete diferentes linhagens de bactérias: Bacillus cereus, Bacillus subtilis, Escherichia coli, Enterococcus faecalis, Klebsiella pneumoniae, Pseudomonas aeruginosa e Staphylococcus aureus. Em geral, as bases de Mannich foram mais ativas que os complexos, sendo HL11 (R1 = OH; R2 =H; R3 = Me; R4= Bn) e HL13 (R1 = OH; R2 = H; R3 = Br; R4= Bn) os inibidores mais potentes. O MIC para o composto mais ativo HL11 contra S. Coli foi 20 μmol L-1 (8 μg mL-1), melhor que o cloranfenicol (90 μmol L-1) e bem abaixo da maioria dos valores descritos para outras naftoquinonas.
publishDate 2009
dc.date.issued.fl_str_mv 2009
dc.date.accessioned.fl_str_mv 2018-08-14T13:34:13Z
dc.date.available.fl_str_mv 2018-08-14T13:34:13Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv NEVES, Amanda P. et al. Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity. J. Braz. Chem. Soc., v.20, n. 4, p. 712-727, 2009.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/28124
dc.identifier.issn.pt_BR.fl_str_mv 0103-5053
dc.identifier.eissn.none.fl_str_mv 1678-4790
identifier_str_mv NEVES, Amanda P. et al. Novel Aminonaphthoquinone Mannich Bases Derived from Lawsone and their Copper(II) Complexes: Synthesis, Characterization and Antibacterial Activity. J. Braz. Chem. Soc., v.20, n. 4, p. 712-727, 2009.
0103-5053
1678-4790
url https://www.arca.fiocruz.br/handle/icict/28124
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Repositório Institucional da FIOCRUZ (ARCA)
collection Repositório Institucional da FIOCRUZ (ARCA)
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