Acetic Acid → Maleic Acid

HRID 1982271Notes

Reaction equation

HRID 1982271 reaction equation
[C:1]([OH:6])(=[O:5])[C:2]([CH3:4])=[CH2:3].[C:7]([OH:10])(=[O:9])C>>[C:7]([OH:10])(=[O:9])/[CH:3]=[CH:2]\[C:1]([OH:6])=[O:5].[C:1]([OH:6])(=[O:5])/[C:2](=[CH:4]\[C:7]([OH:10])=[O:9])/[CH3:3]

Participants

4

Reactant 2

HCID 176Acetic AcidHCID 4093Methacrylic Acid

Product 2

HCID 444266Maleic AcidHCID 643798Citraconic acid

Procedure

After an operating time of 90 days, and at the same bath temperature, the conversion is 59.5 mole %, and the selectivities with respect to methacrylic acid and acetic acid are 90.8 mole % and 1.1 mole % respectively. Maleic acid and citraconic acid are formed in a total amount of 0.82%.

Workup

  1. customAfter an operating time of 90 days

Sources & evidence

ORD record
ord-0e2b7e6caf1a4069b18e1d8b9c67ced2
Source dataset
uspto-grants-1986_06
Patent number
US04595778

Reaction notes

Loading…