Protonation and complexation approaches for production of protic eutectic ionic liquids

Protonation and complexation approaches for production of protic eutectic ionic liquids

4-formyl-N,N-dimethylbenzenaminium chloride (FDBC), carboxymethanami-nium chloride (CMAC), 1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium chloride (DHPC), (R)-1-carboxy-2-mercaptoethanaminium chloride (CMEC) and 1-methyl-2-oxopyrrolidinium chloride (MOPC) were synthesised and complexed with either...

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Bibliographic Details
Main Authors: Shamsuri, Ahmad Adlie, Abdullah, Dzulkefly Kuang
Format: Article
Language:English
Published: Penerbit Universiti Sains Malaysia 2010
Online Access:http://psasir.upm.edu.my/id/eprint/16384/1/Protonation%20and%20complexation%20approaches%20for%20production%20of%20protic%20eutectic%20ionic%20liquids.pdf
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Summary:4-formyl-N,N-dimethylbenzenaminium chloride (FDBC), carboxymethanami-nium chloride (CMAC), 1,3-dihydroxy-2-(hydroxymethyl)propan-2-aminium chloride (DHPC), (R)-1-carboxy-2-mercaptoethanaminium chloride (CMEC) and 1-methyl-2-oxopyrrolidinium chloride (MOPC) were synthesised and complexed with either urea or oxalic acid at different molar ratios to form protic eutectic ionic liquids (PEILs). The melting point of the PEILs was measured using differential scanning calorimetry (DSC). Based on the melting point results, MOPC complexed with oxalic acid ([MOPC][O]) at a 1:1 molar ratio and DHPC complexed with urea ([DHPC][U]) at a 1:2 molar ratio were regarded as room temperature ionic liquids (RTILs). The solubility study showed that [MOPC][O] was able to fully dissolve soluble starch and rice starch (10 wt%) and partially dissolve sago starch.

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