4.6 Article

Concerted Catalysis by Nanocellulose and Proline in Organocatalytic Michael Additions

Journal

MOLECULES
Volume 24, Issue 7, Pages -

Publisher

MDPI
DOI: 10.3390/molecules24071231

Keywords

nanocellulose; TEMPO-oxidized cellulose nanofiber; Michael addition; nitroalkene; organocatalysis; proline

Funding

  1. Advanced Low Carbon Technology Research and Development Program from Japan Science and Technology Agency
  2. Ministry of Education, Culture, Sports, Science and Technology, Japan
  3. Japan Society for the Promotion of Science

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Cellulose nanofibers (CNFs) have recently attracted much attention as catalysts in various reactions. Organocatalysts have emerged as sustainable alternatives to metal-based catalysts in green organic synthesis, with concerted systems containing CNFs that are expected to provide next-generation catalysis. Herein, for the first time, we report that a representative organocatalyst comprising an unexpected combination of 2,2,6,6-tetramethylpiperidine 1-oxyl (TEMPO)-oxidized CNFs and proline shows significantly enhanced catalytic activity in an asymmetric Michael addition.

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