5-Sulfobenzene-1,2,4-tricarboxylic acid → HCID 86586462, compound

HRID 2307718Notes

Reaction equation

HRID 2307718 reaction equation
[S:1]([C:5]1[CH:10]=[C:9]([C:11](O)=[O:12])[C:8]([C:14]([OH:16])=[O:15])=[CH:7][C:6]=1[C:17]([OH:19])=[O:18])([OH:4])(=[O:3])=[O:2]>C(OC(=O)C)(=O)C>[O:12]=[C:11]1[C:9]2[CH:10]=[C:5]([S:1]([OH:4])(=[O:3])=[O:2])[C:6]([C:17]([OH:19])=[O:18])=[CH:7][C:8]=2[C:14](=[O:16])[O:15]1

Participants

3

Reactant 1

HCID 226080635-Sulfobenzene-1,2,4-tricarboxylic acid

Product 1

HCID 86586462HCID 86586462, compound

Reagents, catalysts & solvents 1

HCID 7918Acetic AnhydrideSolvent

Procedure

5-Sulfo-1,2,4-benzenetricarboxylic acid (9.63 g, 33.2 mmol), prepared according to J. Am. Chem. Soc. (1949) 71, 11, was treated with acetic anhydride (150 mL) and refluxed for 5 hours. After cooling to room temperature, the acetic anhydride was removed under reduced pressure. The residue was washed with diethyl ether (3×30 mL) and then dried under reduced pressure at room temperature to provide the title compound as a tan solid.

Workup

  1. temperaturerefluxed for 5 hours
  2. customthe acetic anhydride was removed under reduced pressure
  3. washThe residue was washed with diethyl ether (3×30 mL)
  4. customdried under reduced pressure at room temperature

Sources & evidence

ORD record
ord-72280a05d52c4071bb83281d37ac9897
Source dataset
uspto-grants-2004_12
Patent number
US06831193B2

Reaction notes

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