Zobrazeno 1 - 10
of 19
pro vyhledávání: '"DINORA DE BARROS"'
Publikováno v:
Journal of Engineering Studies and Research, Vol 25, Iss 4 (2019)
Six new hydrogenotungstato adducts and complexes have been synthesized and studied by infrared and Mössbauer techniques. The structures are mainly discrete, the anion behaving as a bidentate -one case- or a monodentate ligand in most cases. When ext
Externí odkaz:
https://doaj.org/article/8ae0145491c24e01b55829c21cb6c038
Autor:
DINORA DE BARROS, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Pp 371-376 (2013)
In ethanol, a C-S cleavage occurs in final products on allowing R4NCO2SO3H – R = Me, Et - to react with HgX2, SnX4 (M = Hg, X= Cl, Br), leading to carbonate and sulfite adducts and complexes ,infrared study of which have been carried out, then stru
Externí odkaz:
https://doaj.org/article/86c92584618c4670b76952f4b7fbcceb
Autor:
Dinora De Barros, Libasse Diop
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 12, Iss 4, Pp 421-424 (2011)
Eight amino-2-ethane sulfonato MX2 adducts have been synthesized, their infrared study carried out. The structures are discrete, the anion behaving mainly as a chelating ligand and in the dinuclear adducts as a bichelating ligand.
Externí odkaz:
https://doaj.org/article/7ba8258d146a4bfba31f8edc579cf73d
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 12, Iss 3, Pp 243-248 (2011)
The two title compounds have been synthesized, their IR and Mössbauer studies carried out. The structures are discrete and contain mono- and bidentate PhCO2-, the environment around the tin (IV) centre being octahedral (in SnCl4 adduct), trapezoidal
Externí odkaz:
https://doaj.org/article/4a656cd7064941ed9b257022ad388344
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 12, Iss 3, Pp 289-292 (2011)
On allowing (Cy2NH2)2C2O4•2H2O and Cy2NH2PhHPO2 to react with SnBu3Cl in ethanolic media, (Cy2NH2)2C2O4•SnBu3Cl and (Cy2NH2)O2PHPh•SnBu3Cl are obtained. Their spectroscopic studies mainly the Mössbauer technique, exhibit the presence of two ti
Externí odkaz:
https://doaj.org/article/b7f3a2a661d349a1b998a592f4d97fd9
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 11, Iss 2, Pp 227-233 (2010)
Nine phenylphosphato derivatives and adduct have been synthesized and studied by infrared and Mössbauer techniques. The structures are polymeric, the oxoanion behaving as a bichelating, a tridentate, or a tetradentate ligand. The environment around
Externí odkaz:
https://doaj.org/article/a928acc09eb54c898c237e855e15f197
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 7, Iss 2, Pp 113-115 (1993)
Bull. Chem. Soc. Ethiop. 1993, 7(2) 113-115.
Externí odkaz:
https://doaj.org/article/c59a6107e3a24e0daf87fbc0b974c223
Publikováno v:
Journal of Engineering Studies and Research, Vol 25, Iss 4 (2019)
Six new hydrogenotungstato adducts and complexes have been synthesized and studied by infrared and Mössbauer techniques. The structures are mainly discrete, the anion behaving as a bidentate -one case- or a monodentate ligand in most cases. When ext
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c7bab1374759e7e881f35fde25104a8
http://jesr.ub.ro/1/article/view/17
http://jesr.ub.ro/1/article/view/17
Publikováno v:
Main Group Metal Chemistry, Vol 33, Iss 1-2, Pp 83-90 (2010)
Five phenylhydrophosphinato organotin(IV) derivatives and adducts have been synthesized and studied by infrared and Mossbauer techniques. The structures suggested on the basis of spectroscopic data are of discrete, infinite or oligomeric types, the p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2780fb157fa27b88e692d7a18e6b3a9e
https://doaj.org/article/e5e9bcce2cae4e6babd3d8b87da03596
https://doaj.org/article/e5e9bcce2cae4e6babd3d8b87da03596
Publikováno v:
Main Group Metal Chemistry. 32:341-346
Two organotin (IV) compounds, Cy2NH2PhCO2 center dot SnMe2Cl2 (A) and 2[Cy2NH2PhCO2 center dot SnMe2(PhCO2)(2)]center dot[SnMe2Cl4(Cy2NH2)(2)] (B), have been synthesized, their ir and Mossbauer studies carried out. The suggested structures are ionic,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd7f7de02cf958c46b8a25685b12efe
https://doi.org/10.1515/mgmc.2009.32.6.341
https://doi.org/10.1515/mgmc.2009.32.6.341