Abstract
AbstractPolyphenylphosphonates have been prepared by (i) the elimination of hydrogen chloride from mixtures of PhPOCl2 and PhPO(OH)2, (ii) the elimination of methyl chloride from PhPOCl2 and PhPO(OMe)2, and (iii) the elimation of methanol from PhPO(OMe)2 and PhPO(OH)2. Products have been characterised by elemental analyses, gel permeation chromatography, molecular weight measurement and infrared spectroscopy. In each case mixtures of rings and chains were obtained. Polyphosphonates were also obtained by the elimination of hydrogen chloride from mixtures of MePOCl2 and MePO(OH)2 and from mixtures of PhOCl2 and MePO(OH)2.
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