Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Daouda Ndoye"'
Autor:
Papa Aly Gueye, Lamine Yaffa, Dame Seye, Daouda Ndoye, Bocar Traoré, Mamadou Sidibé, Cheikh Abdoul Khadir Diop, Sergiu Shova
Publikováno v:
IUCrData, Vol 9, Iss 5, p x240463 (2024)
In the title salt, (C8H20N)8[Mo10O34], the [Mo10O34]8− polyanion is located about an inversion centre and can be considered as a β-type octamolybdate anion to which two additional MoO4 tetrahedra are linked via common corners. The [Mo10O34]8− po
Externí odkaz:
https://doaj.org/article/09e57cf45006470da2193fc7c97afad9
Autor:
Lamine Yaffa, Sérigne Fallou Pouye, Daouda Ndoye, Waly Diallo, Mayoro Diop, Mamadou Sidibe, Cheikh Abdoul Khadir Diop
Publikováno v:
IUCrData, Vol 6, Iss 9, p x210982 (2021)
The title compound, (NH4)4[W2(C10H12N2O8)O6]·4H2O, was obtained from a mixture of tungstic acid, ammonia and ethylenediaminetetraacetic acid (H4edta) in a 2:4:1 ratio. The anion of the complex contains two WO3 units and one bridging edta4− ligand.
Externí odkaz:
https://doaj.org/article/05c8c0f382ed46a6b39cac4756b75d63
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 15, Iss 3, Pp 239-243 (2014)
On allowing ethylenediammonium sulfate or Me4NSO4H to react with SnPh3Cl or SnBu2Cl2 in ethanolic media in specific ratios the three sulfato complexes were obtained and their infrared study carried out. The molecular structures of these compounds hav
Externí odkaz:
https://doaj.org/article/a23acdd54fa1417ba8c11f39d26e9c01
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 15, Iss 2, Pp 169-174 (2014)
EthylendiammoniumSO4•SnBu2Cl2•1/4ethylendiammoniumCl2 (A), 2ethylendiammoniumSO4•SnBu2Cl2 (B) and Cy2NH2SO4H•Cy2NH2SnBu2Cl3 (C) complexes have been obtained on allowing ethylendiammoniumSO4 and Cy2NH2HSO4 to react respectively with SnBu2Cl2 i
Externí odkaz:
https://doaj.org/article/9bc26058fe9b42379bba153ea3904bff
Autor:
Daouda Ndoye, Libasse Diop
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 15, Iss 1, Pp 51-58 (2014)
Cy2NH2BzCO2•SnPh3Cl, Bz2NH2BzCO2•SnPh3Cl, BzCO2SnPh3•SnPh3Cl•1/4Bz2NH2Cl, Bz2NH2BzCO2•SnPhCl(OH)2, Bz2NH2BzCO2•SnBu2Cl2, [BzCO2SnPh3][SnPhCl3•EtOH•H2O] adducts and complexes have been obtained on allowing Cy2NH2BzCO2 or Bz2NH2BzCO2•
Externí odkaz:
https://doaj.org/article/3bc7e65ea9c542abaa49836e3fe55078
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 14, Iss 3, Pp 181-184 (2014)
Allowing (Cy2NH2)2.SO4.2H2O or Cy2NH2.HSO4 to react with SnMe3Cl in ethanolic media in two specific ratios the sulphato complexes (mentioned in this paper title) were obtained and their infrared study was carried out. Discrete structures containing t
Externí odkaz:
https://doaj.org/article/a482c5c5e3fd44559a05c8f719d26808
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 14, Iss 2, Pp 123-126 (2014)
The title compound has been obtained on allowing [C6H3(CO2)3(Et2NH2)3] to react with SnBr4. The molecular structure of Et2NH2C6H3(CO2)3SnBr2.4H2O has been determined on the basis of the infrared data. The suggested structure is a dimer in which each
Externí odkaz:
https://doaj.org/article/031e7d6282d048c7bff6c5961a264b08
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 14, Iss 1, Pp 59-62 (2014)
2(Cy2NH2)2SO4Sn(SO4)2Cy2NH2Cl and 2(Cy2NH2)2SO4. Sn(SO4)22Cy2NH2Cl complexes have been obtained on allowing Cy2NH2O2C-SO3H and Cy2NH2HSO4 to react respectively with SnBu2Cl2 and SnBu3Cl in specific ratios.The molecular structures of these compounds h
Externí odkaz:
https://doaj.org/article/70fe843ea38e40288b83003d1551d864
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 13, Iss 3, Pp 349-352 (2013)
Me4NO2C-SO3H.2SnPh3Cl and enH2O2C-SO3.SnPh3Cl are obtained on allowing Me4NO2C-SO3H and enH2O2C-SO3 to react with SnPh3Cl in respectively mixed solution (ethanol/water) or ethanolic solution in specific ratios. Their infrared studies have been carrie
Externí odkaz:
https://doaj.org/article/abbfcdc96a6e4eb79e111e0a2e4c63a0
Autor:
DAOUDA NDOYE, LIBASSE DIOP
Publikováno v:
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 13, Iss 4, Pp 409-412 (2013)
By allowing (enH)2O2C-SO3 (in water) and Cy2NH2O2C-SO3 (in ethanol) to react respectively with SnPh3Cl (in water) and SnPh2Cl2 (in ethanol) in specific ratios, the studied complexes are obtained. The suggested structures are discrete and tetrameric,
Externí odkaz:
https://doaj.org/article/d2a7fcacac274ed88ecd319964d4c0eb