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. 2019 Mar 11;7:123. doi: 10.3389/fchem.2019.00123

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Copyright © 2019 Reichsöllner, Creamer, Cong, Casey, Eder, Heeney and Glöcklhofer.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Top: Post-polymerization modification of PCDTBT-based polymers 1a-S and 1b-S to sulfoxide-substituted polymer 1a-SO and sulfone-substituted polymers 1a-SO₂ and 1b-SO₂. Bottom: Synthesis of sulfone-substituted monomer 3-SO₂ and subsequent polymerization with 4, affording sulfone-substituted polymer 1a-SO₂-preox for comparison with 1a-SO₂.