Stereospecific Cationic Polymerization with Helical Polymeric Counteranion

• Project/Area Number: 26620100
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Polymer chemistry
• Research Institution: Kyoto University
• Principal Investigator: Ouchi Makoto 京都大学, 工学研究科, 准教授 (90394874)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2014: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: 高分子合成 / らせん / 立体規則性 / カチオン重合 / キラル / ビニルエーテル / アセタール / リビング重合

Outline of Final Research Achievements

I have studied stereospecific cationic polymerization of vinyl ethers with helical polymeric counteranion. Herein the initiator is a hemiacetal ester-embedded molecule and the initiation/propagation proceed along with the acetate anion that is generated via reversible activation of hemiacetal ester (HAE) bond with Lewis acid. The key concept in this research is design of the acetate counteanion with helical polymer toward control of the stereoregulated propagation.

Research Products

• [Journal Article] Ring-Expansion Living Cationic Polymerization of Vinyl Ethers: Optimized Ring Propagation (2015)
  • Author(s): H. Kammiyada, M. Ouchi, M. Sawamoto
  • Journal Title: Macromolecular Symposia Volume: 350 Issue: 1 Pages: 105-116
  • DOI: 10.1002/masy.201400044
  • Peer Reviewed
• [Presentation] 精密付加重合の新展開:側鎖配列(シークエンス)と主鎖形態(トポロジー)の制御 (2016)
  • Author(s): 大内誠
  • Organizer: 第65回高分子討論会
  • Place of Presentation: 神奈川大学，神奈川県
  • Year and Date: 2016-09-14
  • Invited
• [Presentation] Precise Syntheses of Ring-Based Vinyl Polymers via Ring-Expansion Living Cationic Polymerization (2015)
  • Author(s): Makoto Ouchi
  • Organizer: Pacifichem 2015
  • Place of Presentation: Hawaii (U.S.A.)
  • Year and Date: 2015-12-15
  • Int'l Joint Research / Invited
• [Presentation] Creative Molecular Design for Sequence-Controlled Polymers and Ring-Based Polymers (2015)
  • Author(s): Makoto Ouchi
  • Organizer: IP’15-International Symposium on Ionic Polymerization
  • Place of Presentation: Bordeaux (France)
  • Year and Date: 2015-07-05
  • Int'l Joint Research
• [Presentation] カルボン酸誘導体の相互作用設計による立体規則性カチオン重合 (2014)
  • Author(s): 小西 剛広，大内 誠，澤本 光男
  • Organizer: 2014 CSJ化学フェスタ
  • Place of Presentation: タワーホール船堀（東京都江戸川区）
  • Year and Date: 2014-10-14 – 2014-10-16
• [Presentation] 多点相互作用型対アニオンを用いたリビングカチオン重合：立体規則性制御に向けて (2014)
  • Author(s): 小西 剛広，大内 誠，澤本 光男
  • Organizer: 第64回高分子学会年次大会
  • Place of Presentation: 札幌コンベンションセンター（北海道，札幌市）
  • Year and Date: 2014-05-27 – 2014-05-29
• [Remarks] 所属研究室ホームページ
  • URL: http://www.living.polym.kyoto-u.ac.jp/index.html
• [Remarks] 京都大学大学院工学研究科高分子化学専攻高分子生成論分野 ホームページ
• [Remarks] 研究者の所属研究室
  • URL: http://living.polym.kyoto-u.ac.jp/index.html