Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Valéria R. S. Malta"'
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp m75-m76 (2013)
In the title complex, [Ru(C12H8N2)2(C5H6N2)2](PF6)2, the RuII atom is bonded to two α-diimine ligands, viz. 1,10-phenanthroline (phen), in a cis configuration, in addition with with two 4-aminopyridine (4Apy) ligands, resulting in a distorted octahe
Externí odkaz:
https://doaj.org/article/fa80a06599f54c88835e82c3bcb95fbf
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp m77-m78 (2013)
In the title complex, [Ru(C10H8N2)2(C5H6N2)2](PF6)2·CH3CN, the RuII atom is bonded to two α-diimine ligands, viz. 2,2′-bipyridine, in a cis configuration and to two 4-aminopyridine (4Apy) ligands in the expected distorted octahedral configuration
Externí odkaz:
https://doaj.org/article/f55fdf009975435d9659db7dc7d65ff9
Autor:
Acácio Ivo Franscisco, Gleiciani de Q. Silveira, Jackson A. L. C. Resende, Tatiane L. Balliano, Valéria R. S. Malta, Antonio Ventura Pinto
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 2, Pp o341-o341 (2010)
The title compound, C15H16O5·H2O, is an intermediate of the Hooker oxidation reaction, used for the synthesis of 2-hydroxy-3-(2-methylprop-1-enyl)naphthalene-1,4-dione (nor-lapachol). The packing in the crystal structure is arranged by an O—H...O
Externí odkaz:
https://doaj.org/article/8a0d1440e73b4544b6245bff3aad4c12
Autor:
Valéria R. S. Malta, Mariano A. Pereira, Carlos A. De Simone, Dennis de O. Imbroisi, Laura C. de Souza
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o250-o250 (2009)
In the title compound, C17H14O3, the pyran ring adopts a boat conformation and the dihedral angle between the aromatic ring planes is 59.1 (1)°. In the crystal structure intermolecular C—H...O hydrogen bonds and C—H...π interactions link the mo
Externí odkaz:
https://doaj.org/article/e322048e6f184cd8b239a7e2853d07d6
Autor:
Ana Paula Vieira da Silva, José Maria Rodrigues da Luz, Sonia Salgueiro Machado, Valéria R. S. Malta, Renata Maria Rosas Garcia Almeida, Gildemberg Amorim Leal Junior, Kledson Lopes Barbosa
Publikováno v:
International Journal of Biological Macromolecules. 161:441-448
Cellulolytic enzymes have wide use in several industrial segments (e.g. biofuels, pulp and paper, food, and cosmetics). However, one of the challenges is their large-scale production with high specific activity to eliminate the dependence of the purc
Autor:
Jumelice Dos Santos Silva, Thatiane Veríssimo dos Santos, Renata Maria Rosas Garcia Almeida, Kledson Lopes Barbosa, Valéria R. S. Malta, Martha Suzana Rodrigues dos Santos-Rocha
Publikováno v:
Revista Virtual de Química. 12:63-74
As industrias de biocombustiveis tem empenhado grande esforco para estabelecer o melhor pre-tratamento da biomassa lignocelulosica para producao de etanol de segunda geracao. Portanto, neste trabalho, o bagaco da cana-de-acucar (BCA), foi submetido a
Autor:
Mário Antônio Navarro-Silva, Edjane R. dos Santos, Rose M. Carlos, Valéria R. S. Malta, Francisco A. Marques, Vinicius Annies, Ana Carolina Mafud, Inara de Aguiar, Maria Teresa do Prado Gambardella
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This article describes the structure (X-ray), spectroscopic properties (FTIR, UV–vis, 1H NMR) and larvicidal activity of Mn(I) complexes, fac-[Mn(CO)3(phen)(L)]+, where phen = 1,10′-phenanthroline and L = 2-methyl-imidazole, 4-methyl-imidazole, a
Autor:
Mariano A. Pereira, Valéria R. S. Malta, Sheyla Welma Duarte Silva, Sannyele Alcantara Emiliano, Tatiane Luciano Balliano
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 2, Pp 188-190 (2016)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
In the structure of the naphthoquinone derivative 2-hydroxy-3-(2-methylprop-1-en-1-yl)naphthalene-1,4-dione, the molecules form a centrosymmetric cyclic dimer through intermolecular O—H⋯O hydrogen bonds which, together with intermolec
Autor:
Rodrigo S. Corrêa, Javier Ellena, Diogo Rodrigo Magalhães Moreira, Clayton Rodrigues de Oliveira, Antonio C. Doriguetto, Marília I.F. Barbosa, Rafael G. Silveira, Lucas V. Pozzi, Valéria R. S. Malta, Alzir A. Batista, Aleksey E. Kuznetsov, Tanira Matutino Bastos, Milena Botelho Pereira Soares
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
New complexes with the general formula [RuCl(CO)(dppb)(diimine)]PF6, [dppb = 1,4-bis(diphenylphosphino)butane; diimine = 2,2′-bipyridine (bipy) or 1,10-phenanthroline (phen)], were prepared. Thus, the complexes ct-[RuCl(CO)(dppb)(bipy)]PF6 (1), ct-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58e983f3d59dc1c49412e49c66290ffc
Autor:
José Diogo L. Dutra, Valéria R. S. Malta, Nivan B. da Costa, Carlos Alberto Fernandes de Oliveira, Ivani Malvestiti, Severino Alves, Fausthon Fred da Silva, Ricardo O. Freire
Publikováno v:
Journal of Molecular Structure. 1041:61-67
Two new three-dimensional coordination polymers [Ce 2 (C 4 H 4 O 4 ) 3 (H 2 O) 2 ] n ⋅H 2 O 1 and [Yb 2 (C 4 H 4 O 4 ) 3 (H 2 O) 2 ] n ⋅H 2 O 2 have been synthesized under hydrothermal conditions and characterized by single-crystal X-ray, element