Regioregular poly(3-bromohexylthiophenes) have been synthesized via the GRIM method in high yield. Functionalization of these polymers with various groups afforded poly(3-alkylthiophenes) bearing 6-carboxylic acid, 6-amine, or 6-thiol functionalities. Analytical data for all polymers are consistent with quantitative functional group substitution.
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Zhai et al. (2002) studied this question.
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