Zobrazeno 1 - 10
of 56
pro vyhledávání: '"B. Pinheiro"'
Autor:
Tatiana R. G. Simões, David L. Hughes, Siddhartha O. K. Giese, Raphael C.A. Vaz, Maria Vanda Marinho, Humberto O. Stumpf, Willian X. C. Oliveira, Karina C. Metz, Kleber R. Pirota, Wallace C. Nunes, Wdeson P. Barros, Natalia V. Reis, Carlos B. Pinheiro, Cynthia L. M. Pereira
Publikováno v:
Polyhedron. 171:203-211
The reaction between the ligand di(4-pyridyl)sulfide (dps) and two salts of divalent first row transition metals (M = Co2+, and Cu2+) resulted in three new compounds with formula: [Co(dps)4(H2O)2](ClO4)2⋅H2O (1), [Cu(dps)2(dmso)2]n(ClO4)2n (2) and
Autor:
Emerson F. Pedroso, Tamyris T. da Cunha, Cynthia L. M. Pereira, Carlos B. Pinheiro, Wallace C. Nunes, Vitor M. M. Barbosa, Willian X. C. Oliveira
Publikováno v:
Polyhedron. 169:102-113
A series of lanthanide(III) oxamate complexes of formula Na[Eu(4-HOpa)4(H2O)]∙2H2O (1), Na[Gd(4-HOpa)4(H2O)]∙2H2O (2), Na[Dy(4-HOpa)4(H2O)]∙2H2O (3), and Na[Ho(4-HOpa)4(H2O)]∙2H2O (4) (4-HOpa = N-4-hydroxyphenyloxamate) were synthesized and c
Autor:
Ingrid F. Silva, Yves Journaux, Bernd Engels, Willian X. C. Oliveira, Walace D. do Pim, Carlos B. Pinheiro, Emerson F. Pedroso, Humberto O. Stumpf, Miguel Julve, Ivo Krummenacher, Cynthia L. M. Pereira, Felipe Fantuzzi, Holger Braunschweig, Joan Cano, Eufrânio N. da Silva Júnior
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 50(36)
We report the unique heterobimetallic dodecanuclear oxamate-based {CoII6CuII6} nanowheel obtained using an environmentally friendly synthetic protocol. The effective Hamiltonian methodology employed herein allows the rationalisation of magnetic isotr
Autor:
Wdeson P. Barros, Ivo F. Teixeira, Carlos B. Pinheiro, José D. Ardisson, Humberto O. Stumpf, Ana Paula C. Teixeira, Noriberto A. Pradie, Gustavo M. do Nascimento, Ingrid F. Silva
Publikováno v:
Journal of Materials Chemistry A. 7:15225-15232
Ammonia has a large volume energy density and consequently high potential for application as a fuel and energy reservoir in the future. In this study, the dinuclear FeIII metallacycle complex [Fe2(H2opba)2Cl2(dmso)2]·2CH2Cl2·2dmso (1) with excellen
Autor:
Emmanoel V. Costa, Guilherme Braule P. Lopes, Earle Silva A. Junior, Maria Lúcia B. Pinheiro, Daniel P. Bezerra, Renyer A. Costa, Kelson M.T. Oliveira
Publikováno v:
Journal of Molecular Structure. 1171:682-695
A theoretical and experimental DFT study of the vibrational, structural and quantum properties of annomontine ( 1 ) and N -hydroxyannomontine ( 2 ) alkaloids using the B3LYP exchange-correlation functional with 6-311G (2d, p) basis set is presented.
Publikováno v:
European Journal of Inorganic Chemistry. 2018:612-616
Autor:
Natalia V. Reis, Carlos B. Pinheiro, Francesc Lloret, Wdeson P. Barros, Willian X. C. Oliveira, Humberto O. Stumpf, Willian R. Rocha, Cynthia L. M. Pereira, Miguel Julve
Publikováno v:
European Journal of Inorganic Chemistry. 2018:477-484
Autor:
Letícia R. Teixeira, Carlos B. Pinheiro, Isabella P. Ferreira, Heloisa Beraldo, Ane F. Santos, Jacqueline A. Takahashi
Publikováno v:
Polyhedron. 138:270-276
Complexes [Ag(H2-2,6AcPh)]NO3 (1), [Ag(H2-2,6AcpCH3Ph)]NO3 (2), [Ag(H2-2,6AcpClPh)]NO3·2H2O (3) and [Ag(H2-2,6AcpNO2Ph)]NO3 (4) were obtained with 2,6-diacetylpyridine bis(benzoylhydrazone) (H2-2,6AcPh) and its bis(para-methylbenzoylhydrazone) (H2-2
Autor:
Elene C. Pereira-Maia, Cynthia L. M. Pereira, Carlos B. Pinheiro, Willian X. C. Oliveira, Ivana M. Marzano, Tamyris T. da Cunha
Publikováno v:
Journal of Molecular Structure. 1149:803-811
This paper describes the synthesis, physical characterization, X-ray crystal structures and antitumoral activity against human carcionogenic cells of three new diethyl ester acid derivatives of phenylene bis-monothiooxamate compounds, namely Et2H2opb
Publikováno v:
Journal of Molecular Structure. 1145:254-267
A combined experimental and theoretical DFT study of the structural, vibrational and electronic properties of strychnobrasiline and 12-hydroxy-10,11-dimethoxystrychnobrasiline is presented using the Becke three-parameter Lee-Yang-Parr function (B3LYP