Zobrazeno 1 - 10 of 73 pro vyhledávání: '"MODOU SARR"'
1
Akademický článek
TRIPHENYLTIN (IV) GLUTARATES: SYNTHESIS, FT-IR AND MÖSSBAUER STUDIES
Autor: MOUHAMADOU SEMBENE BOYE, MOUHAMADOU BIRAME DIOP, MODOU SARR, AMINATA DIASSE-SARR, LIBASSE DIOP, ALAIN WATTIAUX
Publikováno v: Journal of Engineering Studies and Research, Vol 29, Iss 3 (2024)
Four new adducts catena-O,O′-glutaratotriphenylstannate, [(Me4N)2O2C(CH2)3CO2×4SnPh3Cl] (1), [(Me4N)2O2C(CH2)3CO2×3SnPh3Cl] (2), [(SnPh3)2O2C(CH2)3CO2×SnPh3Cl] (2′) and [(Cy2NH2)2O2C(CH2)3CO2×SnPh3Cl] (3), have been isolated from the reaction
Externí odkaz: https://doaj.org/article/6ff7a0c59451406980b7300c6569fb56
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2
Akademický článek
SYNTHESIS AND CHARACTERIZATION BY INFRARED AND MOSSBAUER SPECTROSCOPIES OF SOME NEW SnR2 (R = Me, Ph, Bu) RESIDUE CONTAINING ARBOXYALKYLPHOSPHONATE ADDUCTS AND DERIVATIVES
Autor: MOUHAMADOU SEMBENE BOYE, MOUHAMADOU BIRAME DIOP, MODOU SARR, AMINATA DIASSE-SARR, LIBASSE DIOP, ALAIN WATTIAUX
Publikováno v: Journal of Engineering Studies and Research, Vol 29, Iss 1 (2023)
Four new carboxyalkylphosphonate SnR2 residue (R = Me, Ph, Bu) containing adducts and derivatives i.e. {(Cy2NH2)3(O2CCH2PO3)(SnBu2Cl2)} (1), {[(SnMe2Cl)(O2CCH2PO3H2)]4[Cy2NH2Cl]} (2), {(Me4N)(SnPh2Cl)[O2C(CH2)2 PO3H](SnPh2)[O2C(CH2)2PO3H]} (3) and {(
Externí odkaz: https://doaj.org/article/d50f0587d8194b1ba91ec3d9d6e184fb
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3
Akademický článek
DIMETHYL N-CYANODITHIOIMINOCARBONATE AND TRIPHENYLPHOSPHINE OXIDE METAL HALIDE COMPLEXES: MOLECULAR CRYSTAL ELUCIDATION
Autor: MOUHAMADOU BIRAME DIOP, MODOU SARR, LIBASSE DIOP, ALLEN G. OLIVER, DAVID HUGHES
Publikováno v: Journal of Engineering Studies and Research, Vol 27, Iss 3 (2022)
Two MX2 (M = Ni, Zn; X = Cl, Br) dimethyl N-cyanodithioiminocarbonate compounds and one CrCl2 triphenylphosphine oxide complex were isolated and elucidated by single crystal X-ray crystallography. NiCl2[(CH3S)2C═NC≡N]2 (1) features inversion-rela
Externí odkaz: https://doaj.org/article/f31742506bcf4bfca08b820249119907
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4
Akademický článek
SYNTHESIS AND INFRARED STUDY OF SOME PHENYLPHOSPHONATE, DIPHENYLPHOSPHINATE AND ACETATOPHOSPHONATE NEW ORGANOTIN (IV) DERIVATIVES AND ADDUCTS
Autor: MODOU SARR, AMINATA DIASSE-SARR, LIBASSE DIOP
Publikováno v: Journal of Engineering Studies and Research, Vol 26, Iss 3 (2020)
Three organotin (IV) derivatives PhPO3HSnBu2Cl, SnBu2Ph2PO2Cl×3/2H2O, Sn(PhPO3)Cl2×2H2O obtained on allowing PhPO3H2 or propylammonium PhPO3H to react with SnBu2Cl2, SnCl2×2H2O and two adducts [(C6H5CH2)2NH2]3O2C(CH2)2PO3×3SnPh3Cl, [CyNH3(HO2POCH
Externí odkaz: https://doaj.org/article/2a9d7d140e6543dfa8e4d4fd32b7798a
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5
Akademický článek
CRYSTAL STRUCTURE OF TRIPHENYLTIN (IV) FORMATE POLYMER, (HCO2SnPh3)n
Autor: MODOU SARR, MOUHAMADOU BIRAME DIOP, AMINATA DIASSE-SARR, AI WANG, ULLRICH ENGLERT
Publikováno v: Journal of Engineering Studies and Research, Vol 26, Iss 3 (2020)
The title polymer [HCO2Sn(C6H5)3]n was isolated by serendipitous from reaction in ethanol 96 % between bis-(monocyclohexyl ammonium) 2-carboxyethyl hydrogen phosphonate, {(CyNH3)2[CO2CH2CH2PO2(OH)]} and triphenyltin chloride, SnPh3Cl. The polymer cry
Externí odkaz: https://doaj.org/article/da0cd7c6167f48268dc6af42114c87ef
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6
Akademický článek
CRYSTAL STRUCTURES OF TWO PHOSPHONATE SALTS: MONOCYCLOHEXYLAMMONIUM HYDROGEN PHOSPHONATE AND MONOCYCLOHEXYLAMMONIUM PHENYL PHOSPHONATE
Autor: MODOU SARR, MOUHAMADOU BIRAME DIOP, MOUHAMADOU SEMBENE BOYE, AMINATA DIASSE-SARR, PHILIPPE GUIONNEAU
Publikováno v: Journal of Engineering Studies and Research, Vol 26, Iss 2 (2020)
Hydrogen phosphonate anions and monocyclohexylammonium cations interacting through hydrogen bonds conduct to the formation of a salt namely monocyclohexylammonium hydrogen phosphonate. In this structure, hydrogen phosphonate anions are linked by pair
Externí odkaz: https://doaj.org/article/e8c140ba61a741d39d1771c650ead6b0
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8
Estimation Of The Value Of Goods And Services Produced By Protected Areas: Case Of The Ndock Sare Community Forest In Senegal
Autor: Mamadou Ndiaye, Saboury Ndiaye, Sérigne Modou Sarr, Malick Diouf
Publikováno v: European Scientific Journal ESJ. 17:282-292
The community forests of Senegal, and particularly those of the Groundnut Basin, play an important role in the lives of rural populations. They are significant sources of supply of various products and services. But despite their economic and ecologi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b46ea6024a452a3cd0a48a3651a043c
https://doi.org/10.19044/esj.2021.v17n43p282
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9
Algebraic Points of Degree at Most 5 on the Affine Curve y\(^{2}\) = x\(^{5}\) - 243
Autor: Oumar Sall, Pape Modou Sarr, EL Hadji Sow
Publikováno v: Asian Research Journal of Mathematics. :51-58
In this work, we determine the set of algebraic points of degree at most 5 on the ane curve y2 = x5 - 243. This result extends a result of J.TH Mulholland who described in [4] the set of \(\mathbb{Q}\)- rational points i.e the set of points of degree
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6a924fd32df43a87286a473c534b445
https://doi.org/10.9734/arjom/2021/v17i1030336
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10
Akademický článek
CETONIZATION, DESARYLATION AND ESTERIFICATION IN THE INTERACTIONS BETWEEN PhPO3H2 AND SnPh3Cl: SYNTHESIS OF OC[OPOSnPh3OEt]2 AND INFRARED STUDY
Autor: MODOU SARR, AMINATA DIASSE-SARR, LIBASSE DIOP
Publikováno v: Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, Vol 16, Iss 2, Pp 185-188 (2015)
On allowing PhPO3H2 to react with SnPh3Cl in ethanolic media, OC[OPOSnPh3OEt]2 is obtained by cetonization, desarylation and esterification, has been studied by infrared technic. A discrete structure has been suggested on the basis of infrared data,
Externí odkaz: https://doaj.org/article/c27d3ea5ce1846c09132de23093f0256
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