Letteratura scientifica selezionata sul tema "Promédicaments – Synthèse (chimie)"
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Tesi sul tema "Promédicaments – Synthèse (chimie)"
Rohmer, François. "Conception, synthèse et évaluation de ligands de la chimiokine CXCL12". Strasbourg, 2011. http://www.theses.fr/2011STRA2093.
Testo completoRondot, Benoît. "Synthèse biomimétique de précurseurs d'isoprostanes par carbocyclisation radicalaire". Montpellier 2, 1994. http://www.theses.fr/1994MON20243.
Testo completoAlvarez, Karine. "Prodrogues d'oligonucléotides : recherche de nouveaux groupements protecteurs des nucléobases adaptés à la synthèse automatisée de prooligonucléotides". Montpellier 2, 1999. http://www.theses.fr/1999MON20060.
Testo completoPradere, Ugo. "Synthèse métallo-catalysée d'analogues de nucléosides et d'oxazolo[4,5-d]pyrimidines à visée thérapeutique". Phd thesis, Université d'Orléans, 2009. http://tel.archives-ouvertes.fr/tel-00665129.
Testo completoMathieu, Thomas. "Etude de deux ANPs Antiviraux : caractéristiques physico-chimiques du LAVR-289 et formulations innovantes du Ténofovir". Electronic Thesis or Diss., Orléans, 2024. http://www.theses.fr/2024ORLE1021.
Testo completoThis thesis is part of one of the stages in the preclinical development of a drug candidate, which consists in determining various physico-chemical characteristics of the compound and exploring its formulation. The molecule in preclinical phase is LAVR-289, a novel broad-spectrum antiviral belonging to the acyclonucleoside phosphonate family, developed in prodrug form.We began by determining various parameters of LAVR-289 such as pKa, Log P and critical aggregation concentration by UV-visible spectrophotometry, reversed phase liquid chromatography and spectrofluorimetry, respectively. We also developed a HPLC-UV analytical method to determine the purity of LAVR-289 synthesis batches. This analytical method was used to determine the chemical stability of this molecule with respect to solvents and pH, as well as its plasma enzymatic stability. LC-HR-MS analyses were used to obtain the structure of degradation products and some metabolites. In the second part, we have synthesised new polymeric nanocarriers based on molecular imprinting technology for the controlled release of phosphonate acyclonucleosides. This exploratory study was carried out on Tenofovir, an antiviral used in the treatment of HIV and HBV infections. These nanomaterials were developed by precipitation polymerisation or by creating core-shell systems after surface derivatisation of biodegradable and biocompatible nanoparticles synthesised in the laboratory. These polymers were created from monomers derived from the functionalisation of pyrimidine bases. These materials showed slower temperature-dependent release kinetics of Tenofovir than the no imprinted form
Antraygues, Kévin. "Conception, synthèse et évaluation biologique de nouveaux ansamacrolides dans le traitement d'infections bactériennes". Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILS027.
Testo completoAntimicrobial resistance is a major public health issue nowadays and this will be even more true in the coming decades. Among the bacteria involved in this alarming phenomenon, Acinetobacter baumannii and Mycobacterium abscessus are both resistant to many antibiotics currently available on the market. Research and development of new antibiotics is therefore necessary to fight these pathogens.Rifabutin, a semi-synthetic macrocyle of the rifamycin class, has recently shown interesting in vitro activities against A. baumannii and M. abscessus, which then translated into in vivo efficacy. Rifabutin therefore seems to be promising to the fight against these bacteria, but the use of this antibiotic is currently limited. In order to treat an infection caused by A. baumannii, rifabutin requires to be injected by intravenous route, which is not so easy because of the low water solubility of the molecule. Concerning the treatment of M. abscessus infections, rifabutin, although effective in vivo, has moderate activity against this mycobacterium, which could lead to therapeutic escape.Therefore, the work presented in this thesis manuscript seeks to address the limitations of rifabutin mentioned above.In a first part, water-soluble prodrugs of rifabutin have been synthesized in order to allow an intravenous injection and thus fight effectively against A. baumannii infections. To achieve the release of rifabutin after enzymatic cleavage in plasma, an intramolecular cyclization strategy was employed. After evaluation of the compounds in plasma stability assays, structure-stability relationship studies were performed, leading to the identification of three promising prodrugs. Additional in vitro studies were then conducted such as the measurement of aqueous solubility and bacterial growth inhibition, and finally an in vivo pharmacokinetic study was performed to be able to select for a preclinical candidate.In a second part, analogues of rifabutin modified at the C25 position were synthesized to identify more potent compounds. Based on a parallel chemistry strategy, a large number of derivatives were rapidly obtained and then evaluated against M. abscessus in order to conduct structure-activity relationship studies
Bessières, Maxime. "Synthèse métallo-catalysée de phosphonates trans-but-2'-ényl de nucléosides sous forme prodrogue". Thesis, Orléans, 2016. http://www.theses.fr/2016ORLE2054.
Testo completoNucleosides represents a major class of compounds in different antiviral chemotherapies. Their development from now 50 years has led to the emergence of nearly 40 compounds, to contain many epidemics and in the fight against viral infections as HIV, hepatitis or herpes. Viral infections still represent a tremendous problem in public health with the emergence of resistance to known drugs and the appearance of new viruses. In this context, it's essential to develop new antivirals with higher activity and safer. This manuscript describes organo-metallic syntheses of new modified acyclonucleoside phosphonates, on the nucleobase, the phosphonate or the acyclic spacer. Thus, the use of cross-metathesis and convergent syntheses of a broad panel of nucleic bases and modified phosphonates represents a cornerstone of our work. A particular importance was given to the use of new activations way, as ultrasound or microwave irradiation. Those processes allowed us to synthetize three new families of acyclic phosphononucleosides, which revealed a remarkable antiviral activity against some herpes viruses, as VZV or CMV
Sari, Ozkan. "Synthèse métallo-catalysée d'acyclonucléosides phosphonates, de nucléosides et d'hétérocycles à visée antivirale". Phd thesis, Université d'Orléans, 2013. http://tel.archives-ouvertes.fr/tel-00977805.
Testo completoÉlise, Sabrina. "Synthèse et caractérisation de bis(oxazolidines) dérivées du tris(hydroxyméthyl)aminométhane pour la conception de prodrogues de répulsifs naturels". Phd thesis, Université de la Réunion, 2011. http://tel.archives-ouvertes.fr/tel-00686915.
Testo completoColin, Jean-Luc. "Synthèse et étude d'hétérocycles à activité biologique potentielle : Dérivés d'éthers halométhyliques aromatiques et prodrogues de l'acide oxolinique". Nancy 1, 1987. http://www.theses.fr/1987NAN10157.
Testo completoLibri sul tema "Promédicaments – Synthèse (chimie)"
M, Kazmierski Wieslaw, a cura di. Peptidomimetics protocols. Totowa, NJ: Humana Press, 1999.
Cerca il testo completoKazmierski, Wieslaw M. Peptidomimetics Protocols. Humana Press, 2010.
Cerca il testo completo