Zobrazeno 1 - 10
of 224
pro vyhledávání: '"Manuela Ramos Silva"'
Publikováno v:
Crystals, Vol 13, Iss 1, p 145 (2023)
5-nitrouracil is a polarizable molecule with a permanent electric dipole moment. Its molecular properties caught the attention of physicists working on nonlinear optics or optoelectronics, but the translation of the molecular assets to the crystallin
Externí odkaz:
https://doaj.org/article/7e2e320ef2a043b4b66260572b9459c8
Autor:
João A. Baptista, Mário T. S. Rosado, Ricardo A. E. Castro, António O. L. Évora, Teresa M. R. Maria, Manuela Ramos Silva, João Canotilho, M. Ermelinda S. Eusébio
Publikováno v:
Molecules, Vol 26, Iss 21, p 6721 (2021)
In this work, co-crystal screening was carried out for two important dihydrofolate reductase (DHFR) inhibitors, trimethoprim (TMP) and pyrimethamine (PMA), and for 2,4-diaminopyrimidine (DAP), which is the pharmacophore of these active pharmaceutical
Externí odkaz:
https://doaj.org/article/a3d1fdbe9c154895bec539597301ead0
Publikováno v:
RIED: Revista Iberoamericana de Educación a Distancia, Vol 20, Iss 2, Pp 213-231 (2017)
New technologies are called upon to play an important role as beneficial tools for meaningful learning in the classroom. In particular, smartphones can be regarded as pocket computers that, in addition to a remarkable memory and computing capacity, i
Externí odkaz:
https://doaj.org/article/9aa8966d93f442a9b6bae965970fd0c7
Autor:
Pablo Martín-Ramos, Ana L. Costa, Manuela Ramos Silva, Laura C. J. Pereira, Pedro S. Pereira da Silva, J. Sergio Seixas de Melo, Jesús Martín-Gil
Publikováno v:
Materials Research, Vol 19, Iss 2, Pp 328-332 (2016)
An uranyl complex [UO2(TFA)2(DMSO)3] (TFA=deprotonated trifluoroacetic acid; DMSO=dimethyl sulfoxide) has been successfully synthesized by reacting UO2(CH3COO)2·H2O with one equivalent of (CF3CO)2O and DMSO. The complex has been characterized by sin
Externí odkaz:
https://doaj.org/article/b39bac72c8874b66b77c3a72870c1286
Autor:
Jaqueline Evangelista Queiroz, Giuliana Muniz Vila Verde, Mariette Miguens Pereira, Manuela Ramos Silva, Gilberto L. B. Aquino
Publikováno v:
IUCrData, Vol 1, Iss 3, p x160430 (2016)
In the title compound, C18H18O3, a dihydrocoumarin synthesized via a microwave-assisted hydroarylation reaction, the 4-methoxyphenyl ring is inclined to the mean plane of the coumarin moiety by 78.21 (9)°. The pyran ring has a screw-boat conformatio
Externí odkaz:
https://doaj.org/article/c92ee3bea0884c4fba412fb23c13803b
Autor:
João P. Martins, Pablo Martín-Ramos, Pedro Chamorro-Posada, Pedro S. Pereira Silva, Jesús Martín-Gil, Salvador Hernández-Navarro, Manuela Ramos Silva
Publikováno v:
Advances in Condensed Matter Physics, Vol 2015 (2015)
Two novel europium(III) complexes, a monomer and a homodimer, with 1-(4-chlorophenyl)-4,4,4-trifluoro-1,3-butanedione (Hcbtfa) and 5-chloro-1,10-phenanthroline (cphen) ligands, formulated as [Eu(cbtfa)3(cphen)] and [Eu2(cbtfa)4(cphen)2(CH3O)2], have
Externí odkaz:
https://doaj.org/article/08977fd5bfb6430584816cf8e3a47753
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp m422-m423 (2013)
In the title compound, [K(C10H5ClO2F3)(H2O)]n, the two independent K+ ions are located on a twofold rotation axis. For each of the cations, the distorted cubic coordination environment is defined by two F and four O atoms of symmetry-related 1,4-chlo
Externí odkaz:
https://doaj.org/article/dd2f2c73d6994fef83c1d59c7aa1942d
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1018-o1018 (2013)
The asymmetric unit of the title compound, C24H16N2·0.5CH3OH, is comprised of two independent bathophenanthroline molecules (systematic name: 4,7-diphenyl-1,10-phenanthroline) and one methanol molecule. The bathophenanthroline molecules are not plan
Externí odkaz:
https://doaj.org/article/67d44b8f9ea34fdc8e3a5327f4d79562
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp o843-o843 (2013)
In the title molecular salt, C6H10N22+·2ClO4−, the Cl—O bond lengths [anion 1: 1.369 (3)–1.415 (3); anion 2: 1.420 (2)–1.441 (2) Å] and the O—Cl—O angles [anion 1: 105.4 (2)–111.8 (4); anion 2: 107.8 (1)–110.3 (1)°] indicate a slig
Externí odkaz:
https://doaj.org/article/300260bd12db4212aa48e1a70b798f79
Autor:
Micael D. Miranda, Manuela Ramos Silva, Teresa M. R. Maria, Avula Balakrishna, Abilio J. F. N. Sobral
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3462-o3463 (2012)
Molecules of the title compound, C52H38N4O8, are located on an inversion center so that the asymmetric cell contains one half of the molecule. The macrocycle exhibits a ruffled conformation with a maximum deviation of 0.16 Å for the 24 macrocycle at
Externí odkaz:
https://doaj.org/article/5e37b69453fc43a28f8f29e96d5259c4