Ionic Liquids as Organocatalysts and Solvents for Lignocellulose Reactions

Author:

Suzuki Shiori1ORCID,Takahashi Kenji2

Affiliation:

1. Division of Fundamental Agriscience Research Research Faculty of Agriculture Hokkaido University North-9, West-9, Kita-ku Sapporo Hokkaido 060-8589 Japan

2. Faculty of Biological Science and Technology Institute of Science and Engineering Kanazawa University Kakuma-machi Kanazawa Ishikawa 920-1192 Japan

Abstract

AbstractIonic liquids (ILs) are the only media that can allow the homogeneous organocatalytic reactions of lignocellulosic biomass (lignocellulose), since the designability of their cations and anions offers the dual functions of solubility and catalytic activity. This review provides an account of our recent achievements in the organocatalytic approaches for converting lignocellulose into polymer materials based on the principles of IL design that we have originally established. These methodologies include the simple and mild chemical modification of cellulose and lignin under high conversions, with high selectivity, and/or with efficient atom economy. Similar reactions and subsequent fractionation processes are applied to lignocellulose, and a highly productive reaction system is developed using a twin‐screw extruder that is specific to the IL media.

Funder

Japan Science and Technology Agency

Ebara Hatakeyama Memorial Foundation

Publisher

Wiley

Subject

Materials Chemistry,General Chemical Engineering,Biochemistry,General Chemistry

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