1-Methylimidazolium hydrogen sulfate is a Brønsted acidic ionic liquid that can be used:
As a component of a catalytic system along with chlorotrimethylsilane used in the preparation of 3,4-dihydropyrimidin-2(1H)-ones and hydroquinazoline-2,5-diones.[1]
As a catalyst in the preparation of biologically important 2,5-dimethyl-N-substituted pyrroles.[2]
As a reusable catalyst in the preparation of spiro[indoline-3′,2-quinazoline]2′,4(3H)-dione.[3]
In the leaching of copper and zinc in brass dross using H2O2 as an oxidant.[4]
An environmental friendly approach for the synthesis of spiro [indoline-3′, 2-quinazoline] 2′, 4 (3H)-dione using 1-methylimidazolium hydrogen sulfate, as reusable catalyst
Kefayati H, et al.
J. Chin. Chem. Soc., 60(10), 1197-1201 (2013)
1-Methylimidazolium hydrogen sulfate/chlorotrimethylsilane: an effective catalytic system for the synthesis of 3, 4-dihydropyrimidin-2 (1H)-ones and hydroquinazoline-2, 5-diones
Kefayati H, et al.
Journal of Molecular Liquids, 172, 147-151 (2012)
Application of 1-methylimidazolium hydrogen sulfate ionic liquid to the oxidative leaching of copper and zinc in industrial brass dross
Ionic liquid [HMIM]HSO4 was found to be an efficient catalyst for the synthesis of N-substituted pyrroles through the reaction of 2,5-hexanedione with amines under ultrasonic irradiation at room temperature. These reactions proceed with good yields under short reaction time. Furthermore
BASIONICS™ Ionic Liquids offer diverse properties for varied applications in the BASF portfolio.
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