2,2-Dimethylsuccinic acid → 2,2-Dimethylsuccinic anhydride

HRID 434757Notes

Reaction equation

HRID 434757 reaction equation
[CH3:1][C:2]([CH3:10])([CH2:6][C:7]([OH:9])=[O:8])[C:3](O)=[O:4]>C(OC(=O)C)(=O)C>[CH3:1][C:2]1([CH3:10])[CH2:6][C:7](=[O:9])[O:8][C:3]1=[O:4]

Participants

3

Reactant 1

HCID 117012,2-Dimethylsuccinic acid

Product 1

HCID 870672,2-Dimethylsuccinic anhydrideYield 84.4%

Reagents, catalysts & solvents 1

HCID 7918Acetic AnhydrideSolvent

Procedure

50 g of 2,2-dimethylsuccinic acid and 70 ml of acetic anhydride were reacted at 140° C. for 3 hours and, after removing acetic acid and acetic anhydride under reduced pressure, the residue was subjected to vacuum distillation to obtain 37 g of 2,2-dimethylsuccinic anhydride.

Workup

  1. customafter removing acetic acid and acetic anhydride under reduced pressure
  2. distillationthe residue was subjected to vacuum distillation

Sources & evidence

ORD record
ord-aaba728a4dbb45eb84530e47b12fd775
Source dataset
uspto-grants-1983_08
Patent number
US04399210

Reaction notes

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