Based on former established P-C coupling reactions of small molecules and polymeric bromide, a new polymerization method involving triflate has been investigated, and a series of eight tetraarylphosphonium polyelectrolytes have been successfully synthesized starting from diols. The palladium catalyst is effective in polymerizing with high degree of polymerization up to 100 and outstanding yield. All triflates polymers have good thermal stability in the range of 350-450 celsius degree. The properties of tetraarylphosphonium polymers are investigated that strongly depend on the spacer between adjacent phosphonium sites as well as counterions. Success of this synthetic method provides a new way to tetraarylphosphonium polymer by using more commercial available precursors and it’s not limited on dibromoarenes, so that more tetraarylphosphonium polymers can be prepared and their properties can be investigated systematically.

New synthetic route to tetraarylphosphonium polyelectrolytes <i>via</i> Pd (0) catalyzed polycondensation from diols and diphenylphosphine

253rd National Meeting (2017)

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New synthetic route to tetraarylphosphonium polyelectrolytes via Pd (0) catalyzed polycondensation from diols and diphenylphosphine