Bis(2-hydroxyethyl) terephthalate → Terephthalic Acid

HRID 351188

Reaction equation

HRID 351188 reaction equation
[C:1]([O:15]CCO)(=[O:14])[C:2]1[CH:13]=[CH:12][C:5]([C:6]([O:8]CCO)=[O:7])=[CH:4][CH:3]=1.CC(C1OCC2(COC(C(C)(C)CO)OC2)CO1)(C)CO.C(C1(CC)COC(C(C)(C)CO)OC1)O>C(O)CO>[C:1]([OH:15])(=[O:14])[C:2]1[CH:13]=[CH:12][C:5]([C:6]([OH:8])=[O:7])=[CH:4][CH:3]=1

Participants

6

Reactant 4

HCID 13739Bis(2-hydroxyethyl) terephthalateHCID 7569008beta3,beta3,beta9,beta9-Tetramethyl-2,4,8,10-tetraoxaspiro(5.5)undecane-3,9-diethanolHCID 218818271,3-Dioxane-2-ethanol, 5-ethyl-5-(hydroxymethyl)-beta,beta-dimethyl-HCID 178435161HCID 178435161, compound

Product 1

HCID 7489Terephthalic Acid

Reagents, catalysts & solvents 1

HCID 174Ethylene GlycolSolvent

Procedure

PTA; polyethylene terephthalate: PET; bis(β-hydroxyethyl) terephthalate: BHET; ethylene glycol: EG; 3,9-bis(1,1-dimethyl-2-hydroxyethyl)-2,4,8,10-tetraoxaspiro[5.5]undecane: SPG; 5-methylol-5-ethyl-2-(1,1-dimethyl-2-hydroxyethyl)-1,3-dioxane: DOG

Sources & evidence

ORD record
ord-f782607df37545358bf7b389c8800164
Source dataset
uspto-grants-2007_02
Patent number
US07183362B2

Linked notes

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