M. D. Vargas

发表

Degradation of magnetic nanoparticles mimicking lysosomal conditions followed by AC susceptibility

Lucía Gutiérrez, Sonia Romero, Gustavo B. da Silva, 2015, Biomedizinische Technik. Biomedical engineering.

AMF-responsive doxorubicin loaded β-cyclodextrin-decorated superparamagnetic nanoparticles

M. D. Vargas, C. Ronconi, E. C. Santos, 2018 .

Synthesis of 1-ferrocenyl-2-aryl(heteroaryl)acetylenes and 2-ferrocenylindole derivatives via the Sonogashira–Heck–Cassar reaction

Â. Pinto, M. D. Vargas, S. J. Garden, 2002 .

Reactive porous composites for chromium(VI) reduction applications based on Fe/carbon obtained from post-consumer PET and iron oxide

M. D. Vargas, R. Lago, J. Ardisson, 2015 .

Exploring the DNA binding/cleavage, cellular accumulation and topoisomerase inhibition of 2-hydroxy-3-(aminomethyl)-1,4-naphthoquinone Mannich bases and their platinum(II) complexes.

M. D. Vargas, N. Farrell, Floriano P. Silva, 2013, Journal of inorganic biochemistry.

Tautomerism in quinoxalines derived from the 1,4-naphthoquinone nucleus: acid mediated synthesis, X-ray molecular structure of 5-chlorobenzo[f]quinoxalin-6-ol and density functional theory calculations

M. D. Vargas, J. Carneiro, J. Resende, 2013 .

Theoretical studies of the tautomerism in 3-(2-R-Phenylhydrazono)-naphthalene- 1,2,4-triones: synthesis of copper(II) complexes and studies of antibacterial and antitumor activities

M. D. Vargas, A. Mangrich, J. Carneiro, 2010 .

Synthetic Lapachol Derivatives Relax Guinea-Pig Ileum by Blockade of the Voltage-Gated Calcium Channels

Â. Pinto, M. D. Vargas, I. Martins, 2010, Zeitschrift fur Naturforschung. C, Journal of biosciences.

Cytotoxic and DNA-topoisomerase effects of lapachol amine derivatives and interactions with DNA.

Â. Pinto, M. D. Vargas, A. Echevarria, 2007, Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas.

Novel zinc(II) and copper(II) complexes of a Mannich base derived from lawsone: Synthesis, single crystal X-ray analysis, ab initio density functional theory calculations and vibrational analysis.

M. D. Vargas, A. Mangrich, C. A. Tellez Soto, 2012, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Novel platinum(II) complexes of 3-(aminomethyl)naphthoquinone Mannich bases: synthesis, crystal structure and cytotoxic activities.

Gustavo B. da Silva, M. D. Vargas, L. Costa-Lotufo, 2010, Dalton transactions.

Ir4 cluster-based selective catalytic hydrogenation of 1,5-cyclooctadiene

M. D. Vargas, E. N. Santos, R. Lago, 2005 .

Study of magnetism in osmium cluster compounds as molecular models for small metallic particles

M. D. Vargas, P. Edwards, R. Benfield, 1985 .

Design, synthesis, molecular modeling and neuroprotective effects of a new framework of cholinesterase inhibitors for Alzheimer’s disease

M. D. Vargas, Tanos C C França, F. Lima, 2020, Journal of biomolecular structure & dynamics.

High-Nuclearity Carbonyl Clusters: Their Synthesis and Reactivity

M. D. Vargas, J. Nicholls, 1988 .

Spasmolytic activity of lapachol and its derivatives, α and β-lapachone, on the guinea-pig ileum involves blockade of voltage-gated calcium channels

Â. Pinto, M. D. Vargas, J. L. V. Silva, 2008 .

Synthesis of ferrocenyl oxindole compounds with potential anticancer activity

Â. Pinto, N. M. Ribeiro, M. D. Vargas, 2008 .

Redox-responsive nanoreservoirs: The effect of different types of mesoporous silica on the controlled release of doxorubicin in solution and in vitro

M. D. Vargas, C. Ronconi, L. P. Franco, 2015 .

Antitumoral activity of new polyamine-naphthoquinone conjugates.

M. D. Vargas, C. Gattass, C. A. Camara, 2008, Oncology reports.

Synthetic aminomethylnaphthoquinones inhibit the in vitro replication of bovine herpesvirus 5

M. D. Vargas, I. Paixão, J. Leite, 2014, Archives of Virology.

Lawsone in organic synthesis

Â. Pinto, M. D. Vargas, F. C. D. Silva, 2015 .

New Synthetic Routes for the Preparation of 2-Amino-3-hydroxy-1,4-naphthoquinone

M. D. Vargas, A. Casellato, Acácio I. Francisco, 2009 .

New Synthetic Routes for the Preparation of 2‐Amino‐3‐hydroxy‐1,4‐naphthoquinone.

M. D. Vargas, A. Casellato, Acácio I. Francisco, 2009 .

Dinuclear copper(II) complexes of a novel 3-(aminomethyl)naphthoquinone Mannich base: Synthesis, structural, magnetic and electrochemical studies

M. D. Vargas, A. Mangrich, M. Novak, 2010 .

In-vitro evaluation studies of 7-chloro-4-aminoquinoline Schiff bases and their copper complexes as cholinesterase inhibitors.

M. D. Vargas, R. Ribeiro, Tanos C C França, 2019, Journal of inorganic biochemistry.

General method for the high yield preparation of 2-(4-X-phenylene)amine-1,4-naphthoquinones (X = ferrocenyl, OMe, Me, I, Cl, and NO2) from 2-methoxy-1,4-naphthoquinone and investigation of H+ and Mg2+ catalysts with DFT calculations

Â. Pinto, M. D. Vargas, J. Carneiro, 2008 .

X-ray molecular structures and multinuclear NMR studies of the tetranuclear iridium clusters [Ir4(CO)7(μ4-η3-PhCC(H)CCPh)(μ-PPh2)3] and [Ir4(CO)7(μ3-η2-HCCPh)(η1-CCPh)(μ-PPh2)3]

D. Braga, F. Grepioni, M. D. Vargas, 2005 .

Carbon–carbon coupling on tetrahedral iridium clusters: X-ray molecular structures and multinuclear NMR studies of the two isomeric forms of [Ir4(CO)6(μ3-η2-HCCPh)(μ2-η4-C4H2Ph2)(μ-PPh2)2]

D. Braga, F. Grepioni, M. D. Vargas, 2004 .

New 1,2,3,4-tetrahydro-1-aza-anthraquinones and 2-aminoalkyl compounds from norlapachol with molluscicidal activity.

Â. Pinto, M. D. Vargas, C. A. Camara, 2005, Bioorganic & medicinal chemistry.

Novel aminonaphthoquinone mannich bases derived from lawsone and their copper(II) complexes: synthesis, characterization and antibacterial activity

M. D. Vargas, A. Mangrich, C. Pinheiro, 2009 .

Molluscicidal activity of 2-hydroxy-[1,4]naphthoquinone and derivatives.

Â. Pinto, M. D. Vargas, T. P. Barbosa, 2008, Anais da Academia Brasileira de Ciencias.

Synthesis of novel naphthoquinone-spermidine conjugates and their effects on DNA-topoisomerases I and II-alpha

Â. Pinto, M. D. Vargas, A. Echevarria, 2006 .

Molluscicidal activity of synthetic lapachol amino and hydrogenated derivatives.

Â. Pinto, M. D. Vargas, C. A. Camara, 2005, Bioorganic & medicinal chemistry.

Novel C–H activation in a bis-tetrairidium carbonyl complex of the sandwich compound [Fe(η5-C5H5)(η5-P3C2But2)]: crystal and molecular structures of [Ir4(CO)11{Fe(η5-C5H5)(η5-P3C2But2)}] and [HIr4(CO)10-{µ-Fe(η5-C5H5)(η5-P3CH2(CMe2)CBut)}Ir4(CO)11]

J. F. Nixon, M. D. Vargas, P. Hitchcock, 1996 .

Novel biomimetic oxidation of lapachol with H2O2 catalysed by a manganese(iii) porphyrin complex

M. D. Vargas, M. Simões, M. Neves, 2011 .

Synthesis, electrochemical studies and anticancer activity of ferrocenyl oxindoles.

Â. Pinto, N. M. Ribeiro, M. D. Vargas, 2010, Dalton transactions.

Rhodium carboxylate complexes of diphenyltriazene and berenil, a substituted triazene and DNA binding ligand. Crystal and molecular structure of tetrakis(.mu.-acetato)bis(diphenyltriazene)dirhodium (II)

M. D. Vargas, N. Farrell, M. Gambardella, 1987 .

Azepines from the intramolecular Prins cyclization of an aminoderivative of lapachol

Â. Pinto, M. D. Vargas, J. Zukerman-Schpector, 2002 .

Secondary amines and unexpected 1-aza-anthraquinones from 2-methoxylapachol

Â. Pinto, M. D. Vargas, M. A. Rosa, 2001 .

The synthesis and X-ray analysis of HOs8(CO)22I

D. Braga, M. D. Vargas, M. Mcpartlin, 1983 .

Reactions of some decaosmium clusters with electrophilic and nucleophilic reagents: X-ray structure analyses of [N(PPh3)2][Os10C(CO)24(µ-I)], [Os10C(CO)24(µ-I)2], [N(PPh3)2]2[Os10C(CO)22(NO)I], [Os10C(CO)23{P(OMe)3}(µ-I)2] and of two isomers of [Os10C(CO)21{P(OMe)3}4]

D. Braga, K. Henrick, M. D. Vargas, 1985 .

Synthesis and characterisation of saturated and unsaturated triruthenium clusters containing electronically symmetrical and asymmetrical alkynes

M. D. Vargas, R. Rosseto, 2004 .

Kinetics of conversion of [Ir4(CO)11(PPh2AuPPh3)] into [Ir4(CO)10(µ-PPh2)(µ-AuPPh3)] and their structural characterization

D. Braga, F. Grepioni, M. D. Vargas, 1992 .

Synthesis and X-ray analysis of [PMePh3][Os8H(CO)22] and [Os8H(CO)22I]

D. Braga, K. Henrick, M. D. Vargas, 1984 .

Synthesis and structural characterization of the mixed-metal species [CO2Ir2(CO)10(η4-cod)] and [CoIr3(CO)10(η4-cod)] (cod = 1,5-cyclooctadiene)

D. Braga, F. Grepioni, M. D. Vargas, 1993 .

Synthesis of mixed metal decaosmium carbido clusters: The X-ray structures of the monoanions [Os10C(CO)24Cu(NCMe)]− and [Os10C(CO)24AuPPh3]−

D. Braga, M. D. Vargas, M. Mcpartlin, 1983 .

Synthesis in solution of high nuclearity osmium cluster species: X-ray analysis of [HOs8(CO)22]–

D. Braga, K. Henrick, M. D. Vargas, 1982 .

The syntheses and X-ray structure analyses of the heteronuclear monoanions [Os10C(CO)24Cu(NCMe)]– and [Os10C(CO)24Au(PPh3)]– as Their [PPh3Me]+ Salts

D. Braga, K. Henrick, M. D. Vargas, 1986 .

Synthesis and mechanisms of fluxionality of the clusters [Ir4(CO)11(PH3–nPhn)](n= 1 or 2)

M. D. Vargas, B. Mann, R. Khadar, 1992 .

Synthesis of the cluster dianion [Os11C(CO)27]2– by pyrolysis and its reactions with electrophiles; X-ray structure analysis of the mixed-metal derivative [PMePh3][Os11C(CO)27{Cu(NCMe)}]·CH2Cl2 and the hydrido derivative [PMePh3][Os11C(CO)27H]

D. Braga, K. Henrick, M. D. Vargas, 1989 .

Synthesis and characterisation of derivatives of [HIr4(CO)10(μ-PPh2)] with mono and diphosphines; X-ray molecular structures of [HIr4(CO)8(PPh3)2(μ-PPh2)] and [HIr4(CO)8{Ph2P(CH2)nPPh2}(μ-PPh2)] (n=1 and 4)

J. F. Nixon, D. Braga, F. Grepioni, 2002 .

Syntheses and structural characterisation of [Ir4(CO)11(η1-L)] and [Ir4(CO)10(η1-L)2]{L =[Fe(η5-P3C2But2)(η5-P2C3But3)] and [Fe(η5-C5H5)(η5-P3C2But2)]} and [Ir4(CO)11{µ-η1 : η1-[Fe(η5-C5H5)(η5-P3C2But2)]}Ir4(CO)11] and its facile conversion to [Ir4H(CO)10{Fe(η5-C5H5)[η5-P3C(CMe2CH2)CBut]}Ir4(CO)11],

J. F. Nixon, M. D. Vargas, P. Hitchcock, 1996 .

1,2,3-Triphenylphosphirene derivatives of the iridium carbonyl clusters [HIr4(CO)9L(μ-PPh2)] (L = CO, PPh3) resulting from substitution, insertion and hydrometallation processes

Maria D. Vargas, Peter B. Hitchcock, John F. Nixon, 2000 .

Synthesis and x-ray analysis of the tetranuclear iridium compounds HIr4(CO)9(.mu.4-.eta.3-Ph2PCCPh)(.mu.-PPh2) and Ir4(CO)7(.mu.-CO)(.mu.3-.eta.2-HCCPh)(.mu.-PPh2)2 and multinuclear NMR studies of the latter compound

D. Braga, F. Grepioni, M. D. Vargas, 1993 .

Synthesis and x-ray structure of the tetranuclear butterfly iridium cluster Ir4(CO)8L[.mu.3-.eta.3-Ph2PC(H)CPh](.mu.-PPh2) (L = PCy3) and carbon-13, proton, and 13C{1H}, 1H, and 31P{1H} NMR studies of the compounds with L = CO, PCy3, and P(OMe)3, [carbon monoxide, tricyclohexylphosphine, and trimeth

D. Braga, F. Grepioni, M. D. Vargas, 1993 .

Facile and reversible CO insertion into the Ir–CH3 bond of [Ir4(CH3)(CO)8(µ4-η33-Ph2PCCPh)(µ-PPh2)]

D. Braga, F. Grepioni, M. D. Vargas, 1993 .

A fast atom bombardment mass spectrometry study of transition metal carbonyl cluster compounds

M. D. Vargas, S. Naylor, 1990 .

Synthesis and X-ray crystallographic characterisation of the diphosphane bridged cluster [Ir4(CO)11PhPPPhlr4(CO)9(AuPEt3)2]

M. D. Vargas, P. Raithby, J. Nicholls, 1986 .

Interaction of the HIV NCp7 Protein with Platinum(II) and Gold(III) Complexes Containing Tridentate Ligands.

M. D. Vargas, N. Farrell, Y. Qu, 2016, Inorganic chemistry.

Synthesis of tetracobalt clusters from dicobalt alkyne complexes

John C. Jeffery, Regina M. S. Pereira, Maria D. Vargas, 1995 .

Metal-carbido complexes of ruthenium and osmium

M. D. Vargas, Jack Lewis, W. Nelson, 1983 .

The reductive activation of [M5C(CO)15](M = Ru or Os) and subsequent reactions of the dianion [Os5C(CO)14]2–, carbonylation of [M5C(CO)15](M = Ru or Os), and the crystal structures of [Os5C(CO)16], [N(PPh3)2]2[Os5C(CO)14], and [Os5C(CO)14{Au(PPh3)}2]

M. D. Vargas, M. Schröder, P. Raithby, 1983 .

The synthesis and X-ray crystal structure of the mixed-metal cluster [Os8(CO)22(AuPPh3)2]

M. D. Vargas, P. Raithby, Jack Lewis, 1983 .

Novel 3-(aminomethyl)naphthoquinone mannich base-platinum(IV) complexes: synthesis, characterization, electrochemical and cytotoxic studies

M. D. Vargas, M. O. Moraes, C. Pessoa, 2013 .

Synthesis and Structural Characterization of [Ir4(mu-CO)(CO)7{mu4-eta3-Ph2PC(H)C(Ph)PCBu t}(mu-PPh2)]: Alkyne-Phosphaalkyne Coupling and Formation of a Novel 2-phosphabutadienylphosphine Ligand

J. F. Nixon, M. D. Vargas, P. Hitchcock, 1998 .

The synthesis and reactivity of the heptanuclear dianion [Os7(CO)20]2− including the synthesis and structural characterizations of the compounds [Os7(CO)20(AuPEt)32] and [Os8(CO)20(η6-C6H6]

M. D. Vargas, W. Wong, P. Raithby, 1995 .

The Syntheses and X-Ray Structure Analyses of the Heteronuclear Monoanions [Os10C(CO)24Cu(NCMe)]- and [Os10C(CO)24Au(PPh3)]- as Their [PPh3Me]+ Salts.

D. Braga, K. Henrick, M. D. Vargas, 1986 .

Infrared spectra of the metal carbido cluster complexes M5C(CO)15 (M = Fe, Ru and Os)

M. D. Vargas, Jack Lewis, K. Whitmire, 1982 .

Reversible Os–Os bond breaking in the high nuclearity carbido-dianion [Os10C(CO)24]2– on reaction with halogens; X-ray structure analysis of [(Ph3P)2N][Os10C(CO)24I] and Os10C(CO)24I2

M. D. Vargas, M. Mcpartlin, D. H. Farrar, 1981 .

The synthesis of the first undeca-osmium cluster species, [PPh3Me]2[Os11C(CO)27], and the X-ray structure analysis of its [Cu(NCMe)]+ derivative [PPh3Me][Os11C(CO)27Cu(NCMe)]·CH2Cl2

D. Braga, K. Henrick, M. D. Vargas, 1983 .

Synthesis and X-ray analysis of the tetrahydrido-dianion [H4Os10(CO)24]2–, the first non-carbido decaosmium cluster

D. Braga, M. D. Vargas, M. Mcpartlin, 1983 .

High Nuclearity Carbonyl Cluster Compounds of Osmium

M. D. Vargas, R. D. Adams, K. Natarajan, 2007 .

Geometrical variety in heptanuclear clusters of osmium; crystal structures of [Os7H2(CO)21] and [Os7H2(CO)22]

M. D. Vargas, M. Mcpartlin, G. Powell, 1986 .

Synthesis and structural characterization of the first transition metal cluster containing a PPh2AuPPh3 ligand, Ir4(CO)8(μ-CO)3(PPh2AuPPh3), and its conversion into Ir4(CO)9(μ-CO)(μ-PPh2)(μ-AuPPh3)

D. Braga, F. Grepioni, M. D. Vargas, 1990 .

Synthesis and Structural Characterisation of [Ir4(CO)8(CH3)(mu4-eta3-Ph2PCCPh)(mu-PPh2)] and of the Carbonylation Product [Ir4(CO)8{C(O)CH3}(mu4-eta3-Ph2PCCPh)(mu-PPh2)]; First Evidence for the Formation of a CO Cluster Adduct before CO Insertion

D. Braga, F. Grepioni, M. D. Vargas, 1999 .

Novel alkyne and phosphaalkyne coupling on an Ir4 cluster: synthesis and molecular structure of [Ir4(µ-CO)(CO)7{µ4-η3-Ph2 PC(H)C(Ph)PCBut}(µ-PPh2)]

J. F. Nixon, M. D. Vargas, P. Hitchcock, 1994 .

Thermal decomposition of [M3(CO)12] (M=Ru, Os) physisorbed onto porous Vycor glass: a route to a glass/RuO2 nanocomposite

Maria D. Vargas, Oswaldo Luiz Alves, Aldo J. G. Zarbin, 1999 .

Electronic interactions in [Ru3(mu3-R² CCC6H4-4-R¹)(mu -dppm)(mu-CO) (CO)7] (R¹ = NO2 and R² = Fc; R¹ = NO2, CN and R² = Ph)

M. D. Vargas, R. Rosseto, J. C. Torres, 2003 .

Some Useful Derivatives of Dodecacarbonyltriosmium

M. D. Vargas, A. Deeming, S. Kabir, 2007 .

Systematic synthesis, solution structural characterization of the square-pyramidal clusters MIr4(CO)7(.mu.-CO)2L(.eta.5-C5Me5)(.mu.4-PPh) (M = Rh, Ir; L = CO, PPh3), and x-ray structural determination of the iridium derivatives

D. Braga, F. Grepioni, Stephen Naylor, 1990 .

SYNTHESIS AND X‐RAY ANALYSIS OF (PMEPH3)(OS8H(CO)22) AND (OS8H(CO)22I)

D. Braga, K. Henrick, M. D. Vargas, 1985 .

Bifunctional activation of a carbonyl group in the pentanuclear carbido–clusters [Os5C(CO)15] and [Os5C(CO)15l2] by alcohols: X-ray analysis of [Os5C(CO)14(CO2Et)H] and [Os5C(CO)14(CO2Me)l]

D. Braga, K. Henrick, M. D. Vargas, 1984 .

Carbido‐Carbonyl Ruthenium Cluster Complexes

M. D. Vargas, M. Sailor, J. Hriljac, 2007 .

Structural characterisation of a pentagonal bipyramidal macrocyclic chromium(III) complex; an explanation of a chromium-mediated ‘transient-template’ effect

M. D. Vargas, E. Constable, P. Raithby, 1984 .

New insights into 3-(aminomethyl)naphthoquinones: Evaluation of cytotoxicity, electrochemical behavior and search for structure-activity correlation.

M. D. Vargas, J. D. B. Marinho-Filho, A. P. Neves, 2016, Bioorganic & medicinal chemistry letters.

Aminequinone-hydroxylquinoneimine tautomeric equilibrium revisited: molecular modeling study of the tautomeric equilibrium and substituent effects in 4-(4-R-phenylamino)naphthalene-1,2-diones

M. D. Vargas, Thaís P. Fragoso, José Walkimar Mesquita Carneiro, 2010, Journal of molecular modeling.

Aminomethylnaphthoquinones and HSV-1: in vitro and in silico Evaluations of Potential Antivirals

M. D. Vargas, H. Castro, L. C. Amorim, 2016, Antiviral therapy.

Differential expression on mitochondrial tryparedoxin peroxidase (mTcTXNPx) in Trypanosoma cruzi after ferrocenyl diamine hydrochlorides treatments

M. D. Vargas, R. Cicarelli, J. A. Rosa, 2016, The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases.

Synthesis and tripanocidal activity of ferrocenyl and benzyl diamines against Trypanosoma brucei and Trypanosoma cruzi.

M. D. Vargas, V. Isaac, B. Chiari, 2014, Bioorganic & medicinal chemistry letters.

Nanoreservoir operated by ferrocenyl linker oxidation with molecular oxygen

M. D. Vargas, C. Ronconi, Gleiciani Q. Silveira, 2011 .

Solvent effects on the electronic absorption spectrum and evaluation of nonlinear optical (NLO) properties of [Co2{μ-η2-(C6H5)CC(C6H4NO2)}(CO)6]

M. D. Vargas, C. Cunha, J. D. D. M. Neto, 2000 .

Aminocoumarin-Naphthoquinone Conjugates : Design , Synthesis , Photophysical and Electrochemical Properties and DFT Calculations

M. D. Vargas, C. Ronconi, F. S. Miranda, 2013 .

Theoretical Modeling of Alkynes

M. D. Vargas, R. Rosseto, J. Nero, 2003 .

6-Aminocoumarin-naphthoquinone conjugates: design, synthesis, photophysical and electrochemical properties and DFT calculations

M. D. Vargas, C. Ronconi, F. S. Miranda, 2013 .