Cooperative catalysis of cellulose nanofiber and organocatalyst in direct aldol reactions

Kyohei Kanomata, Naoko Tatebayashi, Xin Habaki, Takuya Kitaoka

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

Cellulose nanofibers (CNFs) are finding a wide range of applications in the forthcoming sustainable society because of their carbon-neutral renewability and superior physicochemical properties. Here, we first show a cooperative organocatalysis by combining TEMPO-oxidized cellulose nanofiber (TOCN) and proline to enhance the catalytic efficiency in a direct aldol reaction. The yields of proline-catalyzed aldol products drastically increased in the presence of catalytically-inactive TOCN. This effect was also achieved by simply adding the TOCN to the reaction conditions where various proline analogues including structurally simple pyrrolidine and piperidine were used instead of proline. TOCN was superior to physically-pulverized CNF in the organocatalytic efficiency, and the nanofibrillation of cellulose microfibrils in reaction media was essential to induce the drastic enhancement in catalytic activity. The present finding will bring a new entry in the applications of CNFs, and open up a new phase in developing highly efficient molecular transformations in green chemical industries.

元の言語英語
記事番号4098
ジャーナルScientific reports
8
発行部数1
DOI
出版物ステータス出版済み - 12 1 2018

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Nanofibers
Cellulose
Catalysis
oxidized cellulose
Proline
Chemical industry
3-hydroxybutanal
Catalyst activity
Carbon
TEMPO

All Science Journal Classification (ASJC) codes

  • General

これを引用

Cooperative catalysis of cellulose nanofiber and organocatalyst in direct aldol reactions. / Kanomata, Kyohei; Tatebayashi, Naoko; Habaki, Xin; Kitaoka, Takuya.

:: Scientific reports, 巻 8, 番号 1, 4098, 01.12.2018.

研究成果: ジャーナルへの寄稿記事

Kanomata, Kyohei ; Tatebayashi, Naoko ; Habaki, Xin ; Kitaoka, Takuya. / Cooperative catalysis of cellulose nanofiber and organocatalyst in direct aldol reactions. :: Scientific reports. 2018 ; 巻 8, 番号 1.
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