Preparation of polymers with controlled molecular architecture. A new convergent approach to dendritic macromolecules

CJ Hawker, JMJ Frechet

Index: Hawker, Craig J.; Frechet Journal of the American Chemical Society, 1990 , vol. 112, # 21 p. 7638 - 7647

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Citation Number: 2469

Abstract

Abstract: The novel convergent growth approach to topological macromolecules based on dendritic fragments is described. The polyether dendritic fragments are prepared by starting from what will become the periphery of the molecule and progressing inward. In the first step, 2 mol of a benzylic bromide is condensed with the two phenolic groups of the monomer, 3, 5-dihydroxybenzyl alcohol, under phase-transfer conditions. After ...

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