Browsing by Author Vargas, MD

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PreviewIssue DateTitleAuthor(s)AdvisorType
2002Oxidative addition reactions of I-2 with [HIr4(CO)(10-n)(PPh3)(n)(mu-PPh2)] (n=1 and 2) and crystal and molecular structure of [HIr4(mu-I)(2)(CO)(7)(PPh3)(mu-PPh2)]Braga, D; Grepioni, F; Vargas, MD; Ziglio, CM-Artigo de periódico
2008Synthesis of ferrocenyl oxindole compounds with potential anticancer activitySilva, BV; Ribeiro, NM; Pinto, AC; Vargas, MD; Dias, LC-Artigo de periódico
1999Thermal decomposition of [M-3(CO)(12)] (M = Ru, Os) physisorbed onto porous Vycor glass: a route to a glass/RuO2 nanocompositeZarbin, AJG; Vargas, MD; Alves, OL-Artigo de periódico
2011Modified Silica Nanoparticles with an AminonaphthoquinoneSilveira, GQ; Ronconi, CM; Vargas, MD; San Gil, RAS; Magalhaes, A-Artigo de periódico
2003Electronic interactions in [Ru-3(mu(3)-(RCCC6H4)-C-2-4-R-1)(mu-dppm)(mu-CO)(CO)(7)] (R-1 = NO2 and R-2 = Fc; R-1 = NO2, CN and R-2 = Ph)Rosseto, R; Torres, JC; Stein, E; Vargas, MD-Artigo de periódico
2012Rice Husk/Poly(propylene-co-ethylene) Composites: Effect of Different Coupling Agents on Mechanical, Thermal, and Morphological Propertiesde Carvalho, FP; Felisberti, MI; Oviedo, MAS; Vargas, MD; Farah, M; Ferreira, MPF-Artigo de periódico
1998Hydrometalation of P CBut and activation of the P-C bond by a tetrairidium carbonyl cluster: Solution characterization of [Ir4Pt(dppe)(CO)(n){mu-PC(H)Bu-t}(mu-PPh2)] (n = 10 and 9) and crystal and molecular structures of the phosphinidine complex [HIr4Pt(dppe)(mu-CO)(CO)(7)(mu-PCH2But)(mu-PPh2)] and of the partially encapsulated phosphide compound [Ir4Pt(dppe)(mu-CO)(CO)(8)(mu(5)-P)(mu-PPh2)Araujo, MH; Avent, AG; Hitchcock, PB; Nixon, JF; Vargas, MD-Artigo de periódico
2004Carbon-carbon coupling on tetrahedral iridium clusters: X-ray molecular structures and multinuclear NMR studies of the two isomeric forms of [Ir-4(CO)(6)(mu(3)-eta(2)-HCCPh)(mu(2)-eta(4)-C4H2Ph2)(mu-PPh2)(2)]Araujo, MH; Vargas, MD; Avent, AG; Braga, D; Grepioni, F-Artigo de periódico
2005X-ray molecular structures and multinuclear NMR studies of the tetranuclear iridium. clusters [Ir-4(CO)(7)(mu(4)-eta(3)-PhCCH)CCPh)-(mu-PPh2)(3)] and [Ir-4(CO)(7)(mu(3)-eta(2)-HCCPh)(eta(1)-CCPh)(mu-PPh2)(3)]Araujo, MH; Pereira, RMS; Vargas, MD; Braga, D; Grepioni, F-Artigo de periódico
2001Secondary amines and unexpected 1-aza-anthraquinones from 2-methoxylapacholCamara, CA; Pinto, AC; Rosa, MA; Vargas, MD-Artigo de periódico
2004Synthesis and characterisation of saturated and unsaturated triruthenium clusters containing electronically symmetrical and asymmetrical alkynesRosseto, R; Vargas, MD-Artigo de periódico
2002Synthesis and characterisation of derivatives of [HIr4(CO)(10)(mu-PPh2)] with mono and diphosphines; X-ray molecular structures of [HIr4(CO)(8)(PPh3)(2)(mu-PPh2)] and [HIr4(CO)(8){Ph2P(CH2)(n)PPh2}(mu-PPh2)] (n=1 and 4)Ziglio, CM; Vargas, MD; Braga, D; Grepioni, F; Nixon, JF-Artigo de periódico
2002Synthesis of 1-ferrocenyl-2-aryl(heteroaryl) acetylenes and 2-ferrocenylindole derivatives via the Sonogashira-Heck-Cassar reactionTorres, JC; Pilli, RA; Vargas, MD; Violante, FA; Garden, SJ; Pinto, AC-Artigo de periódico
1998Synthesis and structural characterization of [Ir-4(mu-CO)(CO)(7){mu(4)-eta(3)-Ph2PC(H)C(Ph)PCBut}(mu-PPh2)]: Alkyne-phosphaalkyne coupling and formation of a novel 2-phosphabutadienylphosphine ligandAraujo, MH; Hitchcock, PB; Nixon, JF; Vargas, MD-Artigo de periódico
2001High-density polyethylene modified by polydimethylsiloxaneMunoz, PP; Vargas, MD; Werlang, MM; Yoshida, IVP; Mauler, RS-Artigo de periódico
1999Synthesis and structural characterisation of [Ir-4(Co)(8)(CH3)(mu(4)-eta(3)-Ph2PCCPh)(mu-PPh2) and of the carbonylation product [Ir-4(CO)8{C(O)CH3}(mu(4)-eta(3)-Ph2PCCPh)(mu-PPh2)]; First evidence for the formation of a CO cluster adduct before CO insertionBraga, D; Fujiwara, FY; Grepioni, F; Pereira, RMS; Vargas, MD-Artigo de periódico
1997Synthesis and structural characterization of [Ir-4(CO)(8)(eta(1)-Ph)(mu(4)-eta(3)-PhPC(H)CPh)(mu-PPh2)], with a eta(1)-phenyl group arising from selective cleavage of a coordinated Ph2PC(H)CPh ligand, and of the CO-inserted product [Ir-4(CO)(8)(eta(1)-C(O)Ph)(mu(4)-eta(3)-PhPC(H)CPh)(mu-PPh2)]Pereira, RMS; Fujiwara, FY; Vargas, MD; Braga, D; Grepioni, F-Artigo de periódico
2002Azepines from the intramolecular Prins cyclization of an aminoderivative of lapacholCamara, CA; Pinto, AC; Vargas, MD; Zukerman-Schpector, J-Artigo de periódico
1998High nuclearity iridium clusters derived from the transformation of [Ir-4(CO)(11)(PPh2Cl)] on silica gel and the thermolysis of [HIr4(CO)(10)(mu-PPh2)]; synthesis and characterization of [Ir-6(mu-CO)(CO)(12)(mu-PPh2)(2)], [Ir-7(mu-CO)(CO)(13)(mu-PPh2)(mu(3)-PPhC6H4)] and [Ir-8(mu-CO)(2) (CO)(14)(eta(1)-Ph)(mu-PPh2)(mu(4)-PPh)]de Araujo, MH; Vargas, MD; Braga, D; Grepioni, F-Artigo de periódico
2000First evidence for two different mu-eta(1)-eta(1)- and mu-eta(1)-eta(2)-co-ordination modes of the P3C2Bu2t ring of [Fe(eta(5)-P3C2Bu2t)(eta(5)-C5H5)] to a same cluster fragment: Synthesis and characterisation of [Ir-4(CO)(10){Fe(eta(5)-P3C2Bu2t)(eta(5)-C5H5)}] and X-ray molecular structure of the mu-eta(1)-eta(2)-isomerAraujo, MH; Hitchcock, PB; Nixon, JF; Vargas, MD-Artigo de periódico