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Development of Selective Woody Molecular Transformations for Forest Chemical Industry

Research Project

Project/Area Number 18K19076
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 33:Organic chemistry and related fields
Research InstitutionKyoto University

Principal Investigator

Nakamura Masaharu  京都大学, 化学研究所, 教授 (00282723)

Project Period (FY) 2018-06-29 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2018: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywords有機合成 / 触媒 / 木質分子変換 / 木質バイオマス / ナノセルロース / リグニン / 鉄触媒 / 有機酸触媒 / 脱リグニン / 高純度セルロース / 分子触媒 / 有機合成化学 / 森林化学産業 / 循環型社会
Outline of Final Research Achievements

We have developed Mood Molecular Transformation Catalysts Cluster "WMTCC" composed of the organic acids and transitionemetetal catalysts for effective decomposition and fractionation of woody biomass, such as Japanese Cedar, under mild conditions and also for selective and direct synthesis of useful materials. An organic sulfuric acid was found to effect elimination of lignin and hemicellulose from wood powders in the presence of aqueous hydrogen peroxide (H2O2) to give high-purity cellulose of ca. 90% gulcose composition under mild conditions (60-80°C). Furthermore, the obtained cellulose was found to be easily denigrated to nanocellulose assemblies with a fiber width of several ten nano meters.

Academic Significance and Societal Importance of the Research Achievements

現行の有機合成化学では,石油化学工業によって化石資源から得られる小分子を出発原料とし,農薬や医薬品,電子材料など我々の生活に欠くことが出来ない 機能性分子を合成している。本研究では,社会の持続的な発展のために,再生可能炭素資源である樹木由来の木質バイオマスを,直接有用化合物に変換する分子触媒技術を開発し,未踏の「森林化学産業」の基盤となる次 世代有機合成化学を開拓した。日本固有でかつその有効利用法の開発が焦眉の急を要しているスギ材・原木を原料木質バイオマスとした木質分子変換反応を開発 した。

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (7 results)

All 2019 2018

All Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Patent(Industrial Property Rights) (2 results)

  • [Presentation] Exploring Synthetic Opportunities of Iron Catalysis in Sustainable Chemistry2019

    • Author(s)
      中村正治
    • Organizer
      International Conference on Emerging Trends in Chemistry
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 鉄触媒の可能性を精密有機合成に求めて2019

    • Author(s)
      中村正治
    • Organizer
      反応と合成の進歩シンポジウム
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Dreaming up World-Changing Catalyst: Utilization of Iron and Wood in Organic Synthesis2018

    • Author(s)
      中村正治
    • Organizer
      Core to Core Symposium
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] X線顕微CTによる木質組織の酸化分解過程の観察2018

    • Author(s)
      社納貴文,高谷光,武田佳彦,中谷祐也,中村正治
    • Organizer
      日本化学第99年会
    • Related Report
      2018 Research-status Report
  • [Presentation] スルホニルアミド鉄錯体触媒によるリグニンの酸化分解2018

    • Author(s)
      社納貴文,高谷光,伊藤正人,中村正治
    • Organizer
      日本化学第99年会
    • Related Report
      2018 Research-status Report
  • [Patent(Industrial Property Rights)] リグニンと多糖類の製造方法2019

    • Inventor(s)
      中村正治,磯崎勝弘,北山健司 他
    • Industrial Property Rights Holder
      国立大学法人京 都大学, 株式会 社ダイセル
    • Industrial Property Rights Type
      特許
    • Filing Date
      2019
    • Related Report
      2019 Annual Research Report
  • [Patent(Industrial Property Rights)] セルロース及び/又はヘミセルロースの製造方法2018

    • Inventor(s)
      中村正治,高谷光,社納貴文,北山健司
    • Industrial Property Rights Holder
      中村正治,高谷光,社納貴文,北山健司
    • Industrial Property Rights Type
      特許
    • Filing Date
      2018
    • Related Report
      2018 Research-status Report

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Published: 2018-07-25   Modified: 2023-01-30  

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