Summary
The synthesis of linear and crosslinked polymers starting with 4-(diisopropyl-phosphinyl) styrene is described. Treatment with triphosgene yields the corresponding phosphine dichloride group in the polymers. Using these reactive polymers benzyl alcohol was converted to benzyl chloride at room temperature. The regeneration of the reactive polymers using triphosgene was achieved. The yields of benzyl chloride were in general lower than those previously reported using triphenylphosphine dichloride groups in the polymers. The difference in reactivity between triphenylphosphine dichloride- and diisopropylphenylphosphine dichloride substituted-polymers are discussed with the aid of semi-empirical computer calculations.
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Licea-Claveríe, A., Rivero, I.A., Morales, M.S. et al. Synthesis, characterization and use of reactive polymers with diisopropylphenylphosphine groups. Polymer Bulletin 39, 551–557 (1997). https://doi.org/10.1007/s002890050185
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DOI: https://doi.org/10.1007/s002890050185