Dimethyl terephthalate → Terephthalic Acid

HRID 1970204Notes

Reaction equation

HRID 1970204 reaction equation
[C:1]([O:13]C)(=[O:12])[C:2]1[CH:11]=[CH:10][C:5]([C:6]([O:8]C)=[O:7])=[CH:4][CH:3]=1>O>[C:1]([OH:13])(=[O:12])[C:2]1[CH:11]=[CH:10][C:5]([C:6]([OH:8])=[O:7])=[CH:4][CH:3]=1

Participants

3

Reactant 1

HCID 8441Dimethyl terephthalate

Product 1

HCID 7489Terephthalic Acid

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
250 °C

Procedure

Following, U.S. Pat. No. 4,302,595, incorporated herein by reference, a suspension of dimethyl terephthalate in H2O is heated to 250° C. for 4 hour in a Parr pressure reactor resulting in hydrolysis to terephthalic acid.

Sources & evidence

ORD record
ord-e0dc428c02b04593ae5c7c6b5cca673b
Source dataset
uspto-grants-2013_04
Patent number
US08426639B2

Reaction notes

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