Phenolic hydrogen bond donors in the formation of non-ionic deep eutectic solvents: the quest for type V DES

Mixtures of non-ionic compounds have been reported as DES but most are just ideal mixtures. In the thymol-menthol system, an abnormal strong interaction was identified stemming from the acidity difference of the phenolic and aliphatic hydroxyl groups. This type of interaction is found to be the key...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019, Vol.55 (69), p.1253-1256
Main Authors: Abranches, Dinis O, Martins, Mónia A. R, Silva, Liliana P, Schaeffer, Nicolas, Pinho, Simão P, Coutinho, João A. P
Format: Article
Language:English
Subjects:
acidity
Aliphatic compounds
chemical reactions
Donors (electronic)
hydrogen bonding
Hydrogen bonds
Hydroxyl groups
Menthol
moieties
Organic chemistry
phenolic compounds
solvents
Strong interactions (field theory)
Thymol
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Summary:Mixtures of non-ionic compounds have been reported as DES but most are just ideal mixtures. In the thymol-menthol system, an abnormal strong interaction was identified stemming from the acidity difference of the phenolic and aliphatic hydroxyl groups. This type of interaction is found to be the key to prepare non-ionic DES, that may be classified as type V. An abnormal strong interaction was identified, which was found to be the key to prepare non-ionic DES, that may be classified as type V.
ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/c9cc04846d