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DOI: 10.1039/A801510D (Paper) Reference Section for: J. Chem. Soc., Dalton Trans., 1998, 2767-2770

Synthesis of highly functionalised dendrimers based on polyhedral silsesquioxane cores[hair space]†

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Paul-Alain Jaffrès and Russell E. Morris

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)2SiCl] 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.

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