aprotic solvent

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Related to Protic solvent: Polar solvent

aprotic solvent

[ā′präd·ik ′säl·vənt]
(chemistry)
A solvent that does not yield or accept a proton.
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Ionic liquid possessing its low-toxic, stable, circulation usage characters, could catalyze the Michael-addition in hantzsch reaction procedure, employed to act both solvent and catalyst in the Hantzsch reaction as the result of the activity of the ionic liquid [Bmim]Cl*AlCl3 was much better than only protic solvent and aprotic solvent, so the reaction time could be shorten to less than 4 h and the yield were higher than that reported in literature[15-20].
Compared with aprotic solvents, protic solvents gave better yields, and ethanol displayed the best reactivity (Table-1, entries 12-18).
Shivaniyuk A, Rebek J (2001) Hydrogen-Bonded Capsules in Polar, Protic Solvents.