Publications enseignants UFR ST: Recent submissions
Now showing items 201-220 of 430
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Dinuclear zinc complexes using a set of two polytadenate phenolate ligands and applications in polymerization of catalysis of D,L-Lactone
(2021)The synthesis and characterization of 9 dinuclear zinc complexes are reported, including the X-ray crystal structures of 5 complexes. The set of three ligand motif (R) -2,6-bis((E) -((2-(dimethylamino) ethyl) imino) methyl) ... -
Synthesis and Antimalarial Activity of 1,4-Disubstituted Piperidine Derivatives
(2020)In order to prepare, at low cost, new compounds active against Plasmodium falciparum, and with a less side-effects, we have designed and synthesized a library of 1,4-disubstituted piperidine derivatives from 4-aminopiperidine ... -
Synthesis and evaluation of the antimalarial activity of cinnamic acids derived from piperidine
(2019)The synthesis and antimalarial activity of 1, 4-aminopiperidine derived cinnamic acids are described. Different analogs are prepared from reductive amination reactions and SN1 substitutions. These analogs are tested ... -
Analgesic and Anti-inflammatory Activities of Triterpenoid Molecules Isolated from the Leaves of Combretum glutinosum Perr. Ex DC (Combretaceae)
(2018)Combretum glutinosum Perr. Ex DC (COMBRETACEAE) is a traditional medicinal plant, widely distributed in Senegal and Africa. The aim of that study was to investigate the analgesic and antiinflammatory activities of two ... -
Détermination structurale de triterpenoïdes isolés des feuilles de Combretum glutinosium Perr. Ex DC (Combretaceae)
(2017)Combretum glutinosum Perr.Ex DC est une plante de la pharmacopée traditionnelle sénégalaise dont les feuilles sont utilisées dans le traitement de diverses maladies. Quatre triterpénoïdes bétulinol 1, bétulonal 2, acide ... -
Case of Charge-Assisted Hydrogen Bonding in the Crystal Structure of Sodium Laurate, Lauric Acid
(2022)Crystals of Sodium Laurate, Lauric Acid (NaLLA) were obtained and the structure was determined by single-crystal X-ray difraction. The new crystal form is monoclinic of space group P21/c. The asymmetric unit contains two ... -
Étude chimique et pharmacologique des fractions anti-hyperglycémiantes des fibres de la noix de Cocos nucifera L. (Arecaceae) de Ziguinchor, Sénégal
(2018)Cocos nucifera L. (Arecaceae) est une plante de la pharmacopée traditionnelle sénégalaise, dont les fibres sont utilisées au Sénégal dans le traitement du diabète. Afin de prouver et de valoriser l’activité antidiabétique ... -
Antimicrobial anthraquinones and triterpenoid isolated from Morinda geminata DC (Rubiaceae)
(2017)Morinda geminata DC is a plant of the traditional Senegalese pharmacopoeia, the leaves of which are used in the treatment of various diseases. The phytochemical investigation of its leaves and roots resulted in the isolation ... -
Structural determination of news flavones C-glycosides and trans (S, E)- (-) clovamide isolated Icacina senegalensis Juss leaves (Icacinaceae)
(2013)Les jeunes feuilles de Icacina senegalensis Juss (Icacinaceae) récoltées en février 2012 dans l’enceinte de l’Université Assaue Seck de Ziguinchor (Sénégal) sont mis en décotion pendant 4heures dans des solvants de ... -
Synthesis of N-Substituted piperidines from piperidone
(2015)A reductive amination reaction between N-boc-piperidin-4-one and 3,4-dichloroaniline was successfully employed for the synthesis of the N-(3,4-dichloropheny)-N-(2-phenoxylethyl) piperidin-4-amine. The synthesis of a small ... -
Effects on Blood Glucose of Ethyl Acetate-Butanol Fraction of Dialium guineense Aqueous Leaf Extract (Cesalpiniaceae)
(2022)Introduction: The overall objective of the study was to evaluate the effect on blood glucose of the ethyl acetate-butanol fraction (EABF) compounds of the aqueous leaf extract of Dialium guineense (Cesalpiniaceae). Materials ... -
Sulfonated surfactants obtained from furfural
(2013)Furfural obtained from pentose containing biomass such as hemicelluloses is subjected to photooxygenation. The resulting hydroxyfuranone obtained in high yields undergoes acetalization with fatty alcohols. Using NaHSO3, ... -
Diastereoselective Addition of Organomagnesium and Organolithium Reagents to Chiral Trifluoromethyl N-tert-Butanesulfinyl Hemiaminals
(2013)The asymmetric synthesis of trifluoromethylated tertiary and secondary carbinamines (α,α-dibranched and α-branched amines) was achieved by reaction of alkyl, aryl and allyl organomagnesium or organolithium reagents to ... -
Photochemical Electron Transfer Mediated Addition of Naphthylamine Derivatives to Electron-Deficient Alkenes
(2011): Using photochemical electron transfer, N,N-dimethylnaphthylamine derivatives are added to R,β-unsaturated carboxylates. The addition takes place exclusively in the Rposition of electron-deficient alkenes and mainly in ... -
Synthesis of surfactants from furfural derived 2[5H]-furanone and fatty amines
(2010)Furfural was oxidized to 2[5H]-furanone 2 using hydrogen peroxide. Furanone 2 was transformed with two equivalents of fatty amines. A condensation and a Michael reaction occurred. Ethyl bromoacetate 5 or methyl acrylate ... -
Synthesis and characterization of regioselectively monoderivatized maltooligosaccharides through a combination of tandem mass spectrometry and enzymatic hydrolysis studies
(2013)Recently, we have designed chemical strategies leading to C-6 perfunctionalized linear maltoheptaose derivatives via the acetolysis of persubstituted β-cyclodextrin (β-CD) at the 6-positions. This approach has now been ... -
Etude pharmacologique de fractions antidiabétiques de feuilles d'Icacina oliviformis (Poiret) Raynal
(2013)Icacina oliviformis (Poiret) Raynal est une plante de la pharmacopée traditionnelle sénégalaise dont les feuilles sont utilisées au Sénégal dans le traitement du diabète. L’extraction de la poudre de feuilles a été faite ... -
Stereoselective Triplet-Sensitised Radical Reactions of Furanone Derivatives
(2010)The stereo- and regioselectivity of triplet-sensitised radical reactions of furanone derivatives have been investigated. Furanones 7 a,b were excited to the 3 pp* state by triplet energy transfer from acetone. Intramolecular ... -
Electrospray ionization mass spectrometry: a key analytical tool for the characterization of regioselectively derivatized maltooligosaccharides obtained starting from natural b-cyclodextrin
(Published online in Wiley InterScience (www.interscience.wiley.com). DOI: 10.1002/rcm.2369, 2006)The development of natural cyclodextrins (CDs) for various industrial applications (agroalimentary, cosmetic or pharmaceutical) constitutes a continuous challenge. For the integration of these agricultural plant products ... -
Physicochemical, Biochemical and Antioxidant Potential Characterisation of Cashew Apple (Anacardium occidentale L.) from the Agro-Ecological Zone of Casamance (Senegal)
(2022)In Africa, the number of undernourished people is increasing at an alarming rate. However, fruits play an important role in humans, especially as a source of vitamins and minerals. In Senegal, there is research on the ...