Anionic Polymerization of 4‑Methacryloyloxy-TEMPO Using an MMA-Capped Initiator

Anionic Polymerization of 4‑Methacryloyloxy-TEMPO Using an MMA-Capped Initiator

Anionic polymerization of 4-methacryloyloxy-TEMPO (TEMPO = 2,2,6,6-tetramethylpiperidin-1-oxyl) was successfully carried out using methyl methacrylate-capped 1,1-diphenylhexyllithium (DPHLi/MMA), of which nucleophilicity is moderate enough to suppress the side reaction between the nitroxide radical...

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Veröffentlicht in:ACS macro letters 2014-03, Vol.3 (3), p.240-243
Hauptverfasser: Sukegawa, Takashi, Omata, Hajime, Masuko, Issei, Oyaizu, Kenichi, Nishide, Hiroyuki
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Omata, Hajime
Masuko, Issei
Oyaizu, Kenichi
Nishide, Hiroyuki
description Anionic polymerization of 4-methacryloyloxy-TEMPO (TEMPO = 2,2,6,6-tetramethylpiperidin-1-oxyl) was successfully carried out using methyl methacrylate-capped 1,1-diphenylhexyllithium (DPHLi/MMA), of which nucleophilicity is moderate enough to suppress the side reaction between the nitroxide radical of TEMPO moiety and the carbanion of DPHLi, to yield the radical polymer with well-controlled molecular weight, narrow polydispersity index (PDI < 1.10), high yield (>95%), and almost 1.0 radicals per monomer unit.
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title Anionic Polymerization of 4‑Methacryloyloxy-TEMPO Using an MMA-Capped Initiator
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