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pro vyhledávání: '"Andreas Rathjens"'
Syntheses of anomerically bridged mannofuranosides and aza-macrocycles by Richman–Atkins cyclization
Autor:
Joachim Thiem, Andreas Rathjens
Publikováno v:
Journal of Carbohydrate Chemistry. 35:397-411
Diisopropylidene mannofuranose could be efficiently bridged by phase transfer catalysis via the anomeric position with various tethering structures. Employing Richman–Atkins cyclization conditions ...
Autor:
Joachim Thiem, Andreas Rathjens
Publikováno v:
Carbohydrate research. 438
2, 3-Di-ω-halo- as well as 2, 3-di-ω-toluenesulfonamide-alkylated glucopyranoside derivatives were prepared. Their condensation with α,ω-bis-toluenesulfonamide components under varying Richman-Atkins conditions with alkali carbonate in DMF led to
Autor:
Joachim Thiem, Andreas Rathjens
Publikováno v:
Comptes Rendus Chimie. 14:286-300
Symmetrical nitrogen containing ring structures with two or four glucose units were easily obtained from accessible monosaccharide building units. Various tetherings via 4,4’- and 6,6’-positions lead to a variety of precursors which were transfor
Autor:
Louis Danoux, Valérie André-Frei, Gilles Pauly, Solène Mine, Nabil Abdul-Malak, Andreas Rathjens, Christine Jeanmaire, Florence Henry, Olga Freis, Lysiane Cittadini
Publikováno v:
Clinical chemistry and laboratory medicine. 52(1)
Background Protein glycation refers to the spontaneous reaction of reducing sugars with proteins and the subsequent formation of stable advanced glycation end products (AGEs). Glycation is linked with oxidative stress, and this association is called
Publikováno v:
Sustainable Solutions for Modern Economies ISBN: 9781847559050
Plant-based biologically active ingredients are used in different kinds of industries and have achieved a particularly high importance in the development of cosmetic actives with a proven biological effect. However, what about other aspects of modern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cd438e574feef10fc67020ffe6c909f
https://doi.org/10.1039/9781847552686-00394
https://doi.org/10.1039/9781847552686-00394
Autor:
Andreas Rathjens, Joachim Thiem
Publikováno v:
ChemInform. 36
A novel class of chiral crown ether analogues incorporating carbohydrate subunits can be easily prepared from methyl a-D-mannopyranoside. By a short reaction sequence involving either alkylations using a dibutylstannane intermediate or by phase trans
Autor:
Laurent Misery, Olga Freis, Jean-Luc Contet-Audonneau, Melanie Sabadotto, Isabelle Benoit, Andreas Rathjens, Gilles Pauly, Louis Danoux, Philippe Moussou
Publikováno v:
International Journal of Cosmetic Science. 31:480-480
IFSCC Magazines, 12 (2009) (1) 25–30 Approximately 40% of the population (all skin categories and phototypes) complain of sensitive skin. Sensitive skin is healthy but overresponsive, meaning it reacts faster and more intensely to several parameter
Autor:
Philippe Moussou, V. Bardey, Olga Freis, Yanusz Wegrowski, Louis Danoux, Jean-Luc Contet-Audonneau, Melanie Sabadotto, François-Xavier Maquart, Gilles Pauly, Andreas Rathjens
Publikováno v:
International Journal of Cosmetic Science. 31:154-154
IFSCC Magazine, 11 (2008) (1) 21–29 Proteoglycans take an important part in tissue homeostasis. In the skin, Proteoglycans are present in the extracellular matrix of dermis, particularly with lumican which plays an important role in dermal homeosta