Determination of the composition and the origin of the ochre brown patina on the monumental Bab Agnaou gate (Marrakech, Morocco)

Autor: F. Cherradi, A. Alvarez, M. Bouabdelli, K. Benzzi, J. L. Brianso, B. Tanouti

Publikováno v: Environmental Geology. 53:1283-1288

Like the majority of the Mediterranean monuments, the monumental Bab Agnaou gate is covered by a patina having an ochre brown hue. The petrological and mineralogical studies of this patina using optical microscopy, X-ray diffraction analysis, grazing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d30dd0ff6b9edaf5ba316618bfd05f13
https://doi.org/10.1007/s00254-007-0726-6

CF bond activation in polyfluorobenzothiolate compounds of Os(III). X-ray structures of [-2))(SC6F5)2(PMe2Ph)2], [Os(SC6F5)2(o-S2C6F4)(PMe2Ph)] and [Os(C6F5)2(o-S2C6F4)(PMe2Ph)2]

Autor: Hugo Torrens, Raymond L. Richards, Jordi Rius, Sylvain Bernès, Estela Mayoral, J. L. Brianso, Maribel Arroyo

Publikováno v: Journal of Organometallic Chemistry. 599:170-177

Thermolysis of [Os(SR) 3 (PMe 2 Ph) 2 ] (R=C 6 F 5 ( 1a ) or C 6 HF 4 -4 ( 1b )) in refluxing toluene affords [Os(SC 6 F 5 ) 2 ( o -S 2 C 6 F 4 )(PMe 2 Ph)] ( 2a ), [Os(SC 6 HF 4 ) 2 ( o -S 2 C 6 HF 3 )(PMe 2 Ph)] ( 2b ), and [Os(C 6 F 5 ) 2 ( o -S 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6dbb0188bd6828d050648d9e7479f6c0
https://doi.org/10.1016/s0022-328x(99)00760-3

Thermodynamic, crystallographic and solvent extraction properties of cobalt(II), nickel(II) and copper(II) complexes of ethylenediamine- N,N,N′,N′-tetraacetanilide

Autor: Claire R. Whitaker, Angela F. Danil de Namor, J. L. Brianso, Angel Garcia, Jordi Rius, Jaime D. Cárdenas, Joseph I. Bullock

Publikováno v: Polyhedron. 16:4323-4330

Complexes of ethylenediamine-N,N,N′,N′-tetraacetanilide (edtan, C34H36N6O14) with cobalt(II), nickel(II) and copper(II) in the solid state and in solution are reported for the first time. Thermodynamic data (stability constant, and derived Gibbs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1582f9907a8b9e75157d740806c3ebcb
https://doi.org/10.1016/s0277-5387(97)00204-0

Benzodihydrofurans in the resinous exudate from diplostephium cinereum

Autor: Giuliano Delle Monache, Teodor Parella, Franco Delle Monache, Luz Andrade, Alejandro Urzúa, Francisco Sánchez-Ferrando, René Torres, J. L. Brianso

Publikováno v: BOLETIN DE LA SOCIEDAD CHILENA DE QUIMICA
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Scopus-Elsevier
Boletín de la Sociedad Chilena de Química v.46 n.1 2001
SciELO Chile
Boletín de la Sociedad Chilena de Química, Volume: 46, Issue: 1, Pages: 77-80, Published: MAR 2001

Two new benzodihydrofurans have been isolated from the resinous exudate of Diplostephium cinereum. Their structures were elucidated by high-resolution spectroscopic methods as 13-(2-methylpropanoyloxy)toxol (2) and 13-[(R)-3-hydroxy-3-phenylpropanoyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69e4fb960bbb255c38e166148722e350

The arsenate ion as an intra- and inter-molecular bridging ligand: Crystal structure and spectroscopic studies of the tetrakis(Hydrogen arsenato)dimolybdenum(III) ion

Autor: J. L. Brianso, Juan Ribas, Carlos Miravitlles, Claude Sourisseau, René Poilblanc, Xavier Solans

Publikováno v: Transition Metal Chemistry. 8:244-250

Dimolybdenum tetraacetate Mo2 (OAc)4 reacts with concentrated solutions of arsenic acid in air to form [Mo2(HAsO4)4]2− and some related ions which can be isolated with caesium or pyridinium cations: Cs2[Mo2(HAsO4)4]3 H2O (1), (C5NH6)3[Mo2(HAsO4)Cl]

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eb21725437e367ad3dcb0d4ddea05788
https://doi.org/10.1007/bf00620703