Photoinduced switching from living radical polymerization to a radical coupling reaction mediated by organotellurium compounds |
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| Authors: | Nakamura Yasuyuki Arima Takahiro Tomita Sora Yamago Shigeru |
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| Affiliation: | Institute for Chemical Research, Kyoto University, Gokasyo, Uji, Japan. |
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| Abstract: | An efficient and simple method for the synthesis of symmetric macromolecules by photoinduced switching from radical polymerization to a radical coupling reaction is reported. Structurally well-defined telechelic polyisoprenes and ABA-triblock copolymers were prepared by successive organotellurium-mediated living radical polymerization (TERP) under thermal conditions, followed by a polymer-end radical coupling reaction under photoirradiation. |
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