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Synthesis 2009(12): 2019-2024
DOI: 10.1055/s-0029-1216807
DOI: 10.1055/s-0029-1216807
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Functionalization of Polyhedral Oligomeric Silsesquioxane (POSS) via Nucleophilic Substitution
Weitere Informationen
Received
29 December 2008
Publikationsdatum:
12. Mai 2009 (online)
Publikationsverlauf
Publikationsdatum:
12. Mai 2009 (online)

Abstract
Octakis(3-chloropropyl)octasilsesquioxane, obtained recently by a new method, has enabled a highly efficient synthesis of a whole family of cube-like T8 silsesquioxanes by nucleophilic substitution of chlorine atom with appropriate nucleophilic agents. Five functionalized silsesquioxanes, i.e., octakis[3-(methacryloyloxy)propyl]-, octakis(3-acetoxypropyl)-, octakis[3-(phenylamino)propyl]-, and octakis[3-(4-methylpiperazin-1-yl)propyl]octa-silsesquioxane as well as octakis{3-[(2-hydroxyethyl)dimethylammonio]propyl}octasilsesquioxane chloride were synthesized and characterized by spectroscopic methods and elemental analysis.
Key words
functionalized silsesquioxanes - nucleophilic substitution - POSS - polyhedral oligosilsesquioxanes
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