Synthesis of highly functionalised dendrimers based on polyhedral silsesquioxane cores

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Abstract

A number of dendrimers based on polyhedral silsesquioxane cores have been synthesised and characterised. The new molecules are prepared by repetitive hydrosilation/alkenylation reactions, which provide a facile and high yield route to dendrimers with a high density of branch ends per generation. Judicious choice of hydrosilating agent [HSiCl3, H(CH3)SiCl2 or H(CH3)(2)SiCl] produces dendrimers with varying numbers of chain ends, and alkenylating agents of different lengths produce molecules with different physical properties. The 24-vinyl functionalised dendrimer, 5, has been characterised using single-crystal X-ray diffraction techniques.

Original languageEnglish
Pages (from-to)2767-2770
Number of pages4
JournalJournal of the Chemical Society, Dalton Transactions
Issue number16
DOIs
Publication statusPublished - 21 Aug 1998

Keywords

  • SILANE DENDRIMERS
  • SILOXANE

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