Université Assane Seck de Ziguinchor (UASZ): Recent submissions
Now showing items 381-400 of 1302
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Etudes spectroscopique et conductimétrique des composés organométalliques
(2023)Dans le domaine thérapeutique, plusieurs recherches sont orientées vers la découverte et la synthèse de nouvelles molécules ou catalyseurs susceptibles de répondre aux attentes des patients. Dans ce présent mémoire, ... -
Synthèse de ligands organiques par réaction de condensation et par réaction catalysée par Gd et Nd. détermination de structure par spectroscopie et par diffraction des rayons X.
(2002)The reaction of condensation between hydrazide and aldehyde allowed the formation of compounds 1.2 and 3. The compounds 3 can also be synthesized from 1 or 2 in the presence of Ln... -
Enantioselective acces to five- and six- membered nitogen - containing heterocycles, based on the asymetric Michael addition of chiral imines and chiral enamino esters.
(1998)The addition reaction of chiral imines, (ent-10, 48, 70) and chiral enamino esters (52, 55, 73) with maleic anhydride (32), citraconic anhydride (57), a-chloroacrylonitrile (29), and nitroethylene (74), has been investigated. ... -
Isolation, structural determination and anti-hyperglycemic effect of dietthyl terephthalate extracted from the leaves of Dalium guineense (Caesalpiniaceae)
(2023)Previous work had demonstrated the lack of hypoglycemic effect of the butanol-ethyl acetate fraction (BEAF) of the leaves of Dialium Guineense (Caesalpiniaceae). However, this same fraction is anti-hyperglycemic in ... -
Isolation, chemical characterization, evaluation of analgesic and anti-inflammatory activities of triterpenoids from the tubers of raphionacme vignei E. A. Bruce (Apocynaceae)
(2021)Raphionacme vignei E. A. Bruce (Apocynaceae) is a plant of the traditional African pharmacopoeia, whose parts are used in the treatment of various pathologies. Water-soaked R. vignei tubers are edible. The objective of ... -
Evaluation of In Vitro Antiplasmodial Activity of Icacina oliviformis’s (Stems and Roots) and Spondias Purpurea’s (Leaves, Barks And Roots) Extracts from Ziguinchor, Senegal
(2019)This study was designed to assess phytochemical and antiplasmodial activities of Icacina oliviformis’s and Spondias purpurea’s extracts. Icacina oliviformis (poiret) Raynal (Icacinaceae) and Spondias purpurea L. (Anacardiaceae) ... -
Antiplasmodial activity of extracts of Khaya senegalensis (Ders.) A. Jus (Meliaceae) and Melia azedarach L., plants of senegalese traditional medecine
(2018)Two medicinal plants (Khaya senegalensis and Melia azedarach), frequently used by a large part of the Senegalese population and in particular that of the natural region of Casamance in the traditional treatment of ... -
Faidherbia albida Del. (Leguminosae), is a plant of the Senegal traditional pharmacopoeia whose leaves and bark are used in the treatment of various diseases. Investigation on Faidherbia albida Del. resulted in the isolation two glycosyl flavones 1 and 2. The isolated compounds were characterized by NMR and mass-spectrometry. The present study constitutes the first phytochemical examination of the barks of Faidherbia albida Del.
(2017)Spondias purpurea L. (Anacardiaceae) est une plante de la pharmacopée traditionnelle sénégalaise, dont les feuilles sont utilisées dans le traitement de diverses maladies. L’extrait éthalonique des feuilles a présenté ... -
Flavonoïds isolated from barks of Faidherbia albiba (Delile) A. Chev
(2022)Faidherbia albida Del. (Leguminosae), is a plant of the Senegal traditional pharmacopoeia whose leaves and bark are used in the treatment of various diseases. Investigation on Faidherbia albida Del. resulted in the isolation ... -
Synthesis of 1,2,3-triazole containing derivative of peperidine
(2020)A reductive amination reaction between N-Boc -piperidin-4-one and phenoxy-ethylamine was successfully used for the synthesis of (5-Methyl-2-phenyl-2H-[1,2,3] triazol-4ylmethyl)- (2-phenoxy-ethyl)-piperidin-4-yl-amine. The ... -
Antiplasmodial activity of the ethanolic extract of icacina oliviformis (STEMS), spondias purpurea L.(leaves, barks and roots) and cocos nucifera L. (coconut shell fibers) from Ziguinchor, Senegal
(2018)Icacina oliviformis (poiret) Raynal (Icacinaceae), Spondias purpurea L. (Anacardiaceae) and Cocos nucifera L. (Arecaceae) are Senegalese traditional pharmacopoeia plants used in the treatment of various diseases. These plants ... -
Asymmetric synthesis of glutamate derivatives
(2017)Analogs of glutamic acid were synthesized through the asymmetric Michael reaction using chiral acyclic E-enaminoesters and various Michael acceptors. The influence of the alkoxy group of the enaminoesters and also the ... -
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 ...