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Surface, core, and structure modifications of phosphorus-containing dendrimers. Influence on the thermal stability

Turrin, Cédric-Olivier and Maraval, Valérie and Leclaire, Julien and Dantras, Eric and Lacabanne, Colette and Caminade, Anne-Marie and Majoral, Jean-Pierre Surface, core, and structure modifications of phosphorus-containing dendrimers. Influence on the thermal stability. (2003) Tetrahedron, 59 (22). 3965-3973. ISSN 0040-4020

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Official URL: http://dx.doi.org/10.1016/S0040-4020(03)00465-4

Abstract

Three new series of phosphorus-containing dendrimers are described. Their solubility depends on the type of end groups they bear. Perfluoroalkyl chains give dendrimers soluble in chlorofluorocarbons, whereas guanidinium and pyridinium derivatives give watersoluble compounds. The thermal stability of these compounds, as well as of 19 other dendrimers of various generations, having various cores, or various end groups, or branching points is studied. The main feature of this study is that the internal structure of these dendrimers is thermally stable at least up to 3768C. The number of the generation has practically no influence, whereas the principal criterion influencing the thermal stability is the type of end groups. The water-soluble cationic dendrimers are the least stable, but even those are stable up to 2258C. For most of these dendrimers, an important percentage of mass (around 50%) is retained even at a temperature as high as 10008C. In the best case, up to 70% of the initial mass is retained at 10008C.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com. The original PDF of the article can be found at Tetrahedron website : http://www.sciencedirect.com/science/article/pii/S0040402003004654
HAL Id:hal-01308062
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: cirimat webmestre
Deposited On:06 Oct 2015 14:05

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