A new host compound of the onium salt type,N-(3-biphenylmethyl)quininium bromide (1), is described. This host compound shows an unusually high selectivity for the inclusion of ethanol. Using this clathrand, ethanol can be extracted from a variety of solvent mixtures. In most cases, a remarkable enrichment of the ethanol is observed. The following solvents in a mixture with ethanol remain in the mother liquid: methanol,n-propanol,n-hexane, pyridine.
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Worsch, D., Vögtle, F. A new host compound for the selective inclusion of ethanol. Journal of Inclusion Phenomena 4, 163–167 (1986). https://doi.org/10.1007/BF00655930
- Alcohol inclusion
- enrichment of ethanol
- host/guest chemistry
- lattice inclusion
- separation of solvents