The role of novel solvents and solution complexes for the preparation of highly engineered cellulose derivatives

摘要

Novel solvent systems for cellulose are reviewed in terms of their potential for supporting chemical modification reactions that lead to highly engineered derivatives. Systems capable of sustaining homogeneous phase conditions include (1) dissolution with non-derivatizing solvents; (2) dissolution with partial derivatization with reactive solvents; (3) dissolution by derivatization with protective substituents; and (4) dissolution by derivatization with solubilizing substituents that provide access to subsequent replacement reactions (ie., leaving groups). Numerous examples and applications are cited for each type of homogeneous phase reaction system.