Si-Branched, Silyloxy Connectivity

173J T. Nagasaki, M. Ukon, S. Arimori, S. Shinkai, J. Chem. Soc., Chem. Commun. 1992, 608. 

1821 M. R. Bryce, A. S. Batsanov, W. Devonport, J. N. Heaton, J. A. K. Howard, G. J. Moore, J. P. Skabara, S. Wegener, in Molecular Engineering for Advanced Materials, (Ed. J. Becher), Kluwer, Dordrecht, 1994. 

Whereas the well-characterized, perfect (or nearly so) structures of dendritic macromolecules, constructed in discrete stepwise procedures have been described in the preceding chapters, this Chapter reports on the related, less than perfect, hyperbranched polymers, which are synthesized by means of a direct, one-step polycondensation of A B monomers, where x 2. Flory s prediction and subsequent demonstration 1,2 that A B monomers generate highly branched polymers heralded advances in the creation of idealized dendritic systems thus the desire for simpler, and in most cases more economical, (one-step) procedures to the hyperbranched relatives became more attractive. 

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