Výsledky vyhledávání - "M.A. Romero-Molina"

Synthesis, characterization, and crystal structure of 1,3,7,9-tetramethylpyrido-[2,3-d∶6,5-d′]-dipyrimidine-2,4,6,8-tetrone

Autor: J. D. Martín-Ramos, Miguel Quirós-Olozábal, Francisco Hueso-Ureña, Miguel N. Moreno-Carretero, M.A. Romero-Molina, C. Enrique-Mirón, Juan M. Salas-Peregrín, M.P. Sánchez-Sánchez

Publikováno v: Journal of Chemical Crystallography. 24:465-468

A new and easy method for the preparation of 1,3,7,9-tetramethylpyrido-[2,3-d∶6,5-d′]-dipyrimidine-2,4,6,8-tetrone is described. The structure of this compound has been solved by means of X-ray diffraction methods. The chemical characterization b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::004438669382c5b1bbb8586a05251862
https://doi.org/10.1007/bf01666096

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Transition metal complexes with monodeprotonated isoorotic and 2-thioisoorotic acids: Crystal structure, spectral and magnetic study, and antimicrobial activity

Autor: M.P. Sánchez-Sánchez, M.A. Romero-Molina, Juan M. Salas-Peregrín, Miguel N. Moreno-Carretero, G.Alvarez de Cienfuegos-Lopez, René Faure, Francisco Hueso-Ureña

Publikováno v: Journal of Inorganic Biochemistry. 51:613-632

The reaction, in ethanol or water medium, of Mn(II), Fe(II), Co(II), Ni(II), Cu(II), Zn(II), Pd(II), and Pt(II) ions with isoorotic and 2-thioisoorotic acids (H 3 L) has allowed the isolation of complexes with the general formula M II (H 2 L) 2 ·2H

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::615c8b71a4cc58df89da7972e5ae32d3
https://doi.org/10.1016/0162-0134(93)85033-5

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Thermal analysis applied to the study of metal complexes: thermal behaviour of 6-amino-2-thiouracil and its complexes with several transition metal ions

Autor: M.A. Romero-Molina, Miguel N. Moreno-Carretero, M.P. Sánchez-Sánchez, Juan M. Salas-Peregrín

Publikováno v: Thermochimica Acta. 200:271-280

The thermal decomposition processes of 6-amino-2-thiouracil and its Co(II), Ni(II), Cu(I), Ag(I), Zn(II), Cd(II) and Hg(II) complexes have been studied by TG and DSC techniques. Heats of dehydration have been calculated from the DSC curves. Infrared

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4346e3e3a201e95ce3ae6ae71151bee
https://doi.org/10.1016/0040-6031(92)85119-g

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Comportement thermique des quelques complexes metalliques avec les dianions isoorotate et 2-thioisoorotate

Autor: Juan M. Salas-Peregrín, Miguel N. Moreno-Carretero, M.A. Romero-Molina, Francisco Hueso-Ureña

Publikováno v: Thermochimica Acta. 177:119-128

The thermal behaviour of M II (HL)· x NH 3 · y H 2 O complexes (HL = isoorotate and 2-thioisoorotate; M = Mn, Ni, Cu, Zn, Cd, Hg) has been established by TG, DTG and DSC methods. The thermal decomposition of these compounds takes place through two

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f0052492a86af8517dfaca5e11ba742
https://doi.org/10.1016/0040-6031(91)80090-6

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Thermal studies on purine complexes. VI. Thermal behaviour of some Ag(I) and Hg(I) complexes of xanthine derivatives

Autor: E. Colacio-Rodriguez, Rafael López-Garzón, M.A. Romero-Molina, Juan M. Salas-Peregrín

Publikováno v: Thermochimica Acta. 76:373-380

The complexes AgL (L = theobromine, 1,3,8-trimethylxanthine and 3,8-dimethylxanthine) Hg 2 L·NO 3 (L = 3,8-dimethylxanthine and 1,3,8-trimethylxanthine) and Hg 2 C 2 (NO 3 ) 2 (C = caffeine), were prepared in aqueous and HNO 3 medium. These complexe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98e0ea3a087d2c37f5138d32a1cb0221
https://doi.org/10.1016/0040-6031(84)87033-1

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Thermal and spectral studies on hexachloroplatinates(iv) of some alkyl-xanthimes

Autor: Juan M. Salas-Peregrín, E. Colacio-Rodriguez, Miguel N. Moreno-Carretero, M.A. Romero-Molina, M.P. Sánchez-Sánchez

Publikováno v: Thermochimica Acta. 93:73-76

Hexachloroplatinates of xanthine (XH), theobromine (TBH), theophylline (TFH), 1,3,8-trimethyl-xanthine (TMH), caffeine (CF) and 8-ethyl-theophylline (ETH) have been synthesized and studied by IR, H-NMR, TG and DSC techniques. In all cases, the purine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::563fc47b04e3d77c68ce654f21a8b095
https://doi.org/10.1016/0040-6031(85)85019-x

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Studies on pyrimidine derivative complexes: Spectroscopy, thermal behaviour and crystal structure of μ-dichloro-μ-sulphur-chloro(4,6-diamino-1,2-dihydro- 2-thiopyrimidine-N3, S 2)cadmium(II) monohydrate

Autor: F. J. Zuniga, M.D. Gutierrez-Valero, M.A. Romero-Molina, Rafael López-Garzón, María I. Arriortua, Juan M. Salas-Peregrín

Publikováno v: Inorganica Chimica Acta. 136:87-92

The crystal structure of Cd(DATP)Cl2·H2O has been determined by X-ray diffraction methods. It crystallizes in the tetragonal space group I41cd with a = 24.296(7), c = 7.108(9) A, V = 4196(4) A3, and Z = 16. The structure has been solved by Patterson

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::506e4cec31c3a0c3b6d404284914841f
https://doi.org/10.1016/s0020-1693(00)87100-5

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Thermal decomposition of 6-amino-1,3-dimethyl-5-phenylazouracil complexes of Co(II), Ni(II), Cu(II) and Ag(I)

Autor: Juan M. Salas-Peregrín, M.A. Romero-Molina, J. Ruiz-Sánchez, E. Colacio-Rodriguez

Publikováno v: Journal of Analytical and Applied Pyrolysis. 9:159-170

The thermal behaviour of 6-amino-1,3-dimethyl-5-phenylazouracil complexes of Co(II), Ni(II), Cu(II) and Ag(I) ions was studied by IR, thermogravimetric and differential scanning calorimetric techniques. IR spectroscopy applied to these complexes heat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4121acfde6e7e60a2062d97ef89011b
https://doi.org/10.1016/0165-2370(86)85005-7

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