Hydrochloric Acid → HCID 178448543, compound

HRID 640661

Reaction equation

HRID 640661 reaction equation
[Cl-].[CH2:2]([N+:6]1[CH:10]=[CH:9][N:8]([CH3:11])[CH:7]=1)[CH2:3][CH2:4][CH3:5].[CH3:12][S:13]([OH:16])(=[O:15])=[O:14].O1CCOCC1.Cl>O.O1CCOCC1>[CH3:12][S:13]([O-:16])(=[O:15])=[O:14].[CH2:2]([N+:6]1[CH:10]=[CH:9][N:8]([CH3:11])[CH:7]=1)[CH2:3][CH2:4][CH3:5]

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 6395Methanesulfonic Acid2×HCID 312751,4-DioxaneHCID 178448538HCID 178448538, compound

Product 1

HCID 178448543HCID 178448543, compound

Reagents, catalysts & solvents 1

HCID 218864351,4-Dioxane--water (1/1)Solvent

Procedure

Analogously to Example 1, 26.5 g (0.152 mol) of 1-butyl-3-methylimidazolium chloride are reacted with 21.4 g of approx. 70% aqueous methanesulfonic acid, CH3SO3H. 100 ml of 1,4-dioxane are subsequently added, and 107 ml of HCl-containing water/dioxane azeotrope are distilled off at atmospheric pressure (85-101° C.). After 18 additional azeotropic distillations with 100 ml of 1,4-dioxane each time and drying of the distillation residue under reduced pressure at 1.3 Pa and 80° C., 1-butyl-3-methylimidazolium methylsulfonate is obtained. The yield is approximately quantitative.

Workup

  1. distillationazeotrope are distilled off at atmospheric pressure (85-101° C.)
  2. dry with materialAfter 18 additional azeotropic distillations with 100 ml of 1,4-dioxane each time and drying of the distillation residue under reduced pressure at 1.3 Pa and 80° C.

Sources & evidence

ORD record
ord-024cfaa22cdd46ca9089f143746b74fd
Source dataset
uspto-grants-2010_04
Patent number
US07692007B2

Linked notes

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