Synthesis and Physico-Chemical Properties of New Tetraethylammonium-Based Amino Acid Chiral Ionic Liquids
Abstract
:Abbreviations
[N2222] | tetraethylammonium |
[ser] | serinate |
[pro] | prolinate |
[thr] | threoninate |
[ile] | isoleucinate |
[asn] | asparaginate |
[gln] | glutaminate |
[glu] | glutamate |
[met] | methioninate |
[his] | histidinate |
1. Introduction
2. Results and Discussion
2.1. Synthesis and Characterization
2.2. Thermal Stability and Physico-Chemical Properties
No | CILs | Tm (°C) | Tonset (°C) | η (cP) | κ (mS cm-1) |
---|---|---|---|---|---|
1 | [N2222][ser] | ND | 187 | 1763 | 0.16 |
2 | [N2222][pro] | ND | 172 | 438 | 0.46 |
3 | [N2222][thr] | ND | 188 | 1002 | 0.24 |
4 | [N2222][ile] | ND | 168 | 526 | 0.35 |
5 | [N2222][asn] | 58 ± 1.0 | 191 | a | a |
6 | [N2222][gln] | ND | 210 | a | a |
7 | [N2222][glu] | ND | 210 | a | a |
8 | [N2222][met] | ND | 176 | 462 | 0.45 |
9 | [N2222][his] | 54 ± 1.0 | 174 | a | a |
2.3. Viscosity (η) and Ionic Conductivity (κ)
3. Experimental
3.1. General
3.2. Typical Synthetic Procedure for Tetraethylammonium-Based Amino Acids
4. Conclusions
Acknowledgements
References
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Rahman, M.B.A.; Jumbri, K.; Basri, M.; Abdulmalek, E.; Sirat, K.; Salleh, A.B. Synthesis and Physico-Chemical Properties of New Tetraethylammonium-Based Amino Acid Chiral Ionic Liquids. Molecules 2010, 15, 2388-2397. https://doi.org/10.3390/molecules15042388
Rahman MBA, Jumbri K, Basri M, Abdulmalek E, Sirat K, Salleh AB. Synthesis and Physico-Chemical Properties of New Tetraethylammonium-Based Amino Acid Chiral Ionic Liquids. Molecules. 2010; 15(4):2388-2397. https://doi.org/10.3390/molecules15042388
Chicago/Turabian StyleRahman, Mohd Basyaruddin Abdul, Khairulazhar Jumbri, Mahiran Basri, Emilia Abdulmalek, Kamaliah Sirat, and Abu Bakar Salleh. 2010. "Synthesis and Physico-Chemical Properties of New Tetraethylammonium-Based Amino Acid Chiral Ionic Liquids" Molecules 15, no. 4: 2388-2397. https://doi.org/10.3390/molecules15042388