| abstract |
The invention relates to an ionic liquid, wherein the cation of the ionic liquid contains hexafluoroisopropylsulfonic acid groups. According to the ionic liquid provided by the invention, hexafluoroisopropylsulfonic acid groups are introduced into the cation part of the ionic liquid to endow the ionic liquid with a super-strong acid center, and the anion type is modulated to obtain the ionic liquid with the acidity higher than that of concentrated sulfuric acid with the acidity of more than 98%, and the Hamlet acidity (H) in the obtained ionic liquid 0 ) Up to-14.13. |