Maleic Anhydride → Sodium methyl maleate

HRID 1680543Notes

Reaction equation

HRID 1680543 reaction equation
[C:1]1(=[O:7])[O:6][C:4](=[O:5])[CH:3]=[CH:2]1.[C:8](=O)([O-])[O-:9].[Na+:12].[Na+]>CO>[C:4]([O:9][CH3:8])(=[O:5])/[CH:3]=[CH:2]\[C:1]([O-:6])=[O:7].[Na+:12]

Participants

4

Reactant 2

HCID 7923Maleic AnhydrideHCID 10340Sodium Carbonate

Product 1

HCID 23681663Sodium methyl maleateYield 199.9%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

One mole of maleic anhydride is dissolved in 1000 ml methanol and 0.5 mole of sodium carbonate is added. The solution is filtered and the methanol is distilled off under pressure. After drying the product in a vacuum oven, 152 g of sodium methyl maleate is obtained.

Workup

  1. filtrationThe solution is filtered
  2. distillationthe methanol is distilled off under pressure
  3. customAfter drying the product in a vacuum oven

Sources & evidence

ORD record
ord-57799a6b636d40df8b6a07da1c6ce815
Source dataset
uspto-grants-1981_06
Patent number
US04273935

Reaction notes

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