Abstract
We postulate that the polymerization proceeds by electrophilic aromatic substitution; the dihydroxy(methy1)sulfonium cation (3) formed by protonation of the oxygen atom of the sulfinyl group serves as the active species (Scheme 2). 3 4 CH3 Scheme 2. Possible polymerization mechanisin for the formation of 1. The formation of 3 requires
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