Itaconic acid → (+-)-Citramalic acid

HRID 433006

Reaction equation

HRID 433006 reaction equation
[C:1]([OH:9])(=[O:8])/[C:2](=[CH:4]\[C:5]([OH:7])=[O:6])/[CH3:3].[C:10]([OH:18])(=[O:17])[C:11]([CH2:13][C:14]([OH:16])=[O:15])=[CH2:12]>>[C:5]([OH:7])(=[O:6])[CH2:4][C:2]([C:1]([OH:9])=[O:8])([OH:15])[CH3:3].[C:10]([OH:18])(=[O:17])/[C:11](=[CH:13]/[C:14]([OH:16])=[O:15])/[CH3:12]

Participants

4

Reactant 2

HCID 811Itaconic acidHCID 643798Citraconic acid

Product 2

HCID 1081(+-)-Citramalic acidHCID 638129Mesaconic acid

Procedure

isomerizing citraconic acid to itaconic acid in an aqueous solution at a first temperature of about 140° C. to 200° C., which produces citramalic acid and mesaconic acid as by-products;

Workup

  1. customat a first temperature of about 140° C. to 200° C., which

Sources & evidence

ORD record
ord-2b90a6a26cc54b5093f5604d2ceaff19
Source dataset
uspto-grants-2003_12
Patent number
US06664417B2

Linked notes

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