All arylcyclophosphates 73-77 were subsequently linearized using N-nucleophiles, based on an SN type mechanism (scheme 5, C). The reaction sequence enabled the isolation of various arylated polyphosphate chains (P3-P8, scheme 5, B). Most polyphosphate products were purified by automated strong-ion exchange chromatography (SAX) and isolated as Na salts. Using Kobayashi's o-silylphenyltriflate (1)