Výsledky vyhledávání - "Susana Quintal"

Investigation of cobalt(III)-phenylalanine complexes for hypoxia-activated drug delivery

Autor: Savyo de Souza Santana, Mauricio Lanznaster, Susana Quintal, Isabela Cristina Aguiar de Souza, Guilherme P. Guedes, João Madureira, Javier A. G. Gomez

Publikováno v: Dalton transactions (Cambridge, England : 2003). 49(45)

Four cobalt(III)–phenylalanine complexes, [Co(Phe)(py2en)](ClO4)2·H2O (1), [Co(Phe)(TPA)](ClO4)2·H2O (2), [Co(Phe)(py2enMe2)](ClO4)2·H2O (3) and [Co(bipy)2(Phe)](ClO4)2·H2O (4), were investigated as prototype models for hypoxia-activated delive

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::847f3284fdf2c5a212f460d68661df5a
https://pubmed.ncbi.nlm.nih.gov/32692333

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Platinated DNA Affects Zinc Finger Conformation. Interaction of a Platinated Single-Stranded Oligonucleotide and the C-Terminal Zinc Finger of Nucleocapsid Protein HIVNCp7

Autor: Stefan Erhardt, Aldino Viegas, Nicholas Farrell, Eurico J. Cabrita, Susana Quintal

Publikováno v: Biochemistry. 51:1752-1761

This paper describes for the first time the intimate molecular details of the association between a platinated oligonucleotide and a zinc finger peptide. Site-specific platination of the guanine in a single-stranded hexanucleotide gave {[Pt(dien)d(5'

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4706695079ff571aaa8da74d66491ca3
https://doi.org/10.1021/bi201834g

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Synthesis and properties of new Mo(II) complexes with N-heterocyclic and ferrocenyl ligands

Autor: Serena Fedi, Susana Quintal, Vítor Félix, Maria José Calhorda, Piero Zanello, Patrícia Rosado Pinto, Jacopo Barbetti, Michael G. B. Drew

Publikováno v: Journal of Organometallic Chemistry. 696:2142-2152

New Mo(II) complexes with 2,2′-dipyridylamine (L1), [Mo(CH3CN)(η3-C3H5)(CO)2(L1)]OTf (C1a) and [{MoBr(η3-C3H5)(CO)2(L1)}2(4,4′-bipy)](PF6)2 (C1b), with {[bis(2-pyridyl)amino]carbonyl}ferrocene (L2), [MoBr(η3-C3H5)(CO)2(L2)] (C2), and with the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db8ac05cb596ae65b9ba0e7f1b3b2d9e
https://doi.org/10.1016/j.jorganchem.2010.11.024

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Silver(I) and copper(I) complexes with ferrocenyl ligands bearing imidazole or pyridyl substituents

Autor: Maria José Calhorda, Antonio Laguna, Susana Quintal, M. Concepción Gimeno

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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The reactions between five ferrocenyl derivatives containing both a CO and at least an imidazole or pyridine nitrogen atom and AgPF6, AgOTf, or [Cu(NCCH3)4]PF6 precursors were studied. The ligand {[bis(2-pyridyl)amino]carbonyl}ferrocene (L3), derived

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33ec6aa451a17993ab3ab2bfe92a4909
https://doi.org/10.1016/j.jorganchem.2009.11.013

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Nitrogen donor ligands bearing N–H groups: Effect on catalytic and cytotoxic activity of molybdenum η3-allyldicarbonyl complexes

Autor: Vítor Félix, José M.F. Nogueira, Telma A. Lopes, Margarida Meireles, Susana Quintal, Maria José Calhorda, Fátima C.M. Portugal, Michael G. B. Drew, Marta S. Saraiva

Publikováno v: Journal of Organometallic Chemistry. 693:3411-3418

Reactions of [Mo(eta(3)-C3H5)Br(CO)(2)(NCMe)(2)] with the bidentate nitrogen ligands 2-(2'-pyridyl)imidazole (L1), 2-(2'-pyridyl)benzimidazole (L2), N,N'-bis(2'-pyridinecarboxamido)-1,2-ethane (L3), and 2,2'-bisimidazole (L4) led to the new complexes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49f44288da1b4872a66859a9f3839f99
https://doi.org/10.1016/j.jorganchem.2008.08.001

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Synthesis and properties of new trinuclear Mo(II) complexes containing imidazole and benzimidazole ferrocene units

Autor: Nuno Trindade, Michael G. B. Drew, Margarida Meireles, João Filipe Matos, Susana Quintal, Vítor Félix, Maria José Calhorda, Inês T.E. Fonseca

Publikováno v: Inorganica Chimica Acta. 361:1584-1596

The reaction of FcCOC1 (Fc = (C5H5) Fe(C5H4)) with benzimidazole or imidazole in 1: 1 ratio gives the ferrocenyl derivatives FcCO(benzim) (L1) or FcCO(im) (L2), respectively. Two molecules of L1 or L2 can replace two nitrile ligands in [Mo(eta(3)-C3H

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f966eb81b6f0acde3ef78078076473fc
https://doi.org/10.1016/j.ica.2007.05.039

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Immobilisation of η 3 ‐Allyldicarbonyl Complexes of Mo II with Bidentate Nitrogen Ligands within Aluminium‐Pillared Clays

Autor: Patrícia Neves, Carlos M. Silva, João Pires, Maria José Calhorda, Maria J. Villa de Brito, Susana Quintal, Patrícia Rosado Pinto, Ana P. Carvalho, João C. Alonso, Michael G. B. Drew, Vítor Félix, Paula Ferreira, Paula Brandão, Anabela A. Valente

Publikováno v: European Journal of Inorganic Chemistry. 2008:1147-1156

Molybdenum(II) complexes [MOX(CO)(2)(eta(3)-allyl)(CH3CN)(2)] (X = Cl or Br) were encapsulated in an aluminium-pillared natural clay or a porous clay heterostructure and allowed to react with bidentate diimine ligands. All the materials obtained were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce8b72d957a32264ad16df1eb16d0c46
https://doi.org/10.1002/ejic.200700939

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Molybdenum η3-Allyl Dicarbonyl Complexes as a New Class of Precursors for Highly Reactive Epoxidation Catalysts with tert-Butyl Hydroperoxide

Autor: Paula Ferreira, Michael G. B. Drew, Susana Quintal, Pedro D. Vaz, Anabela A. Valente, and Vitor Félix, Maria José Calhorda, João C. Alonso, Maria João Silva, Carlos Marques da Silva, Patrícia Neves

Publikováno v: Organometallics. 26:5548-5556

New Mo(II) diimine derivatives of [Mo(η3-allyl)X(CO)2(CH3CN)2] (allyl = C3H5 and C5H5O; X = Cl, Br) were prepared, and [Mo(η3-C3H5)Cl(CO)2(BIAN)] (BIAN = 1,4-(4-chloro)phenyl-2,3-naphthalenediazabutadiene) (7) was structurally characterized by sing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f16f646be385d4b7055efe9a11cc02f1
https://doi.org/10.1021/om700348w

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Synthesis and ligand properties towards gold and silver of the ferrocenylamidobenzimidazole ligand

Autor: Maria José Calhorda, Paulo J. Costa, Antonio Laguna, Susana Quintal, M. Dolores Villacampa, M. Concepción Gimeno, Paulo N. Martinho

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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8 pages, 4 figures, 5 tables.
The treatment of FcCOCl (Fc = (C5H5)Fe(C5H4)) with aminobenzimidazole in 1:1 or 2:1 ratio gives the ferrocenyl-amido derivatives FcCO(benzimNH2) or (FcCO)2(NHbenzim), respectively. The reactivity of FcCO(benzimNH2)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5c6c61bf554d78cc9184ea76077c3ba
https://doi.org/10.1016/j.jorganchem.2006.06.025

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