Sulfuric Acid → HCID 20561738, compound

HRID 1155295Notes

Reaction equation

HRID 1155295 reaction equation
C([O-])(=O)C.[O:5]1[C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=2[O:8][CH2:7][CH:6]1[CH2:15][C:16]1[NH:17][C:18]2[CH:24]=[CH:23][CH:22]=[CH:21][C:19]=2[NH+:20]=1.[S:25](=[O:29])(=[O:28])([OH:27])[OH:26]>>[S:25](=[O:27])(=[O:26])([OH:29])[OH:28].[O:5]1[C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][C:9]=2[O:8][CH2:7][CH:6]1[CH2:15][C:16]1[NH:20][C:19]2[CH:21]=[CH:22][CH:23]=[CH:24][C:18]=2[N:17]=1

Participants

3

Reactant 2

HCID 1118Sulfuric AcidHCID 70575741HCID 70575741, compound

Product 1

HCID 20561738HCID 20561738, compound

Procedure

2-(1,4-benzodioxan-2-ylmethyl)benzimidazolium acetate (1.0 g) is dissolved in 50 ml 50% aqueous sulfuric acid, and the solution evaporated to dryness. The product is suspended in ethanol and filtered, air dried and recrystallized from methanol/acetone to yield 2-(1,4-benzodioxan-2-ylmethyl)benzimidazole bisulfate.

Workup

  1. customthe solution evaporated to dryness
  2. filtrationfiltered
  3. customair dried
  4. customrecrystallized from methanol/acetone

Sources & evidence

ORD record
ord-fdf90319889946fcbbc72a77e6f09502
Source dataset
uspto-grants-1981_11
Patent number
US04301171

Reaction notes

Loading…