Poly(p-tert-butoxycarbonyloxystyrene): a convenient precursor to p-hydroxystyrene resins |
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Authors: | Jean MJ Fréchet Eva Eichler Hiroshi Ito CGrant Willson |
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Affiliation: | Department of Chemistry, University of Ottawa, Ottawa, Ontario, K1N 9B4, Canada;IBM Research Laboratory, San Jose, California 95193, USA |
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Abstract: | An efficient synthetic route to pure, high molecular weight poly(p-hydroxystyrene) is reported. The route involves synthesis of a new monomer, p-tert-butoxycarbonyloxystyrene, polymerization by radical initiation or by cationic initiation in liquid SO2, followed by thermolysis or acidolysis of the tert-butoxycarbonyl protecting group. Porous, crosslinked resin beads containing the nucleophilic, phenol pendant group have been prepared in a similar fashion from the precursor terpolymer of p-tert-butoxycarbonyloxystyrene, styrene and divinylbenzene. The utility of this resin for solid-phase synthesis has been demonstrated. |
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Keywords: | polymerization poly(vinyl phenol) |
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