A series of task-specific ionic liquids (TSILs) based on glycerylimidazolium cations have been prepared by reaction of 1-chloropropanediol, a compound obtainable from glycerol (a widely available and in-expensive waste product), with the appropriate base (1-H-imidazole, 1,2-dimethylimidazole and 1-methyl-1-H-imidazole). The reaction of 3-(1H-imidazol- 1-yl)propane-1,2-diol with chloroalkanes, bromoalkanes and alkyl mesylates gave the corresponding salts which were characterized. The possibility to use these ILs in palladium catalyzed reactions was evaluated, evidencing good catalyst stability and a high recyclability.

Synthesis and properties of glycerylimidazolium based ionic liquids: a promising class of task-specific ionic liquids

BELLINA, FABIO;CHIAPPE, CINZIA;BERTOLI, ALESSANDRA;SIGNORI, FRANCESCA
2009

Abstract

A series of task-specific ionic liquids (TSILs) based on glycerylimidazolium cations have been prepared by reaction of 1-chloropropanediol, a compound obtainable from glycerol (a widely available and in-expensive waste product), with the appropriate base (1-H-imidazole, 1,2-dimethylimidazole and 1-methyl-1-H-imidazole). The reaction of 3-(1H-imidazol- 1-yl)propane-1,2-diol with chloroalkanes, bromoalkanes and alkyl mesylates gave the corresponding salts which were characterized. The possibility to use these ILs in palladium catalyzed reactions was evaluated, evidencing good catalyst stability and a high recyclability.
Bellina, Fabio; Chiappe, Cinzia; Bertoli, Alessandra; Melai, Bernardo; Scalesse, Francesca; Signori, Francesca
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/200672
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