Propylparaben → 1,4-Benzenedicarboxylic acid, bis[4-(propoxycarbonyl)phenyl] ester

HRID 2309566Notes

Reaction equation

HRID 2309566 reaction equation
[OH:1][C:2]1[CH:13]=[CH:12][C:5]([C:6]([O:8][CH2:9][CH2:10][CH3:11])=[O:7])=[CH:4][CH:3]=1.[C:14](Cl)(=[O:24])[C:15]1[CH:23]=[CH:22][C:18]([C:19](Cl)=[O:20])=[CH:17][CH:16]=1>>[CH2:9]([O:8][C:6]([C:5]1[CH:4]=[CH:3][C:2]([O:1][C:14](=[O:24])[C:15]2[CH:23]=[CH:22][C:18]([C:19]([O:1][C:2]3[CH:3]=[CH:4][C:5]([C:6]([O:8][CH2:9][CH2:10][CH3:11])=[O:7])=[CH:12][CH:13]=3)=[O:20])=[CH:17][CH:16]=2)=[CH:13][CH:12]=1)=[O:7])[CH2:10][CH3:11]

Participants

3

Reactant 2

HCID 7175PropylparabenHCID 7488Terephthaloyl chloride

Product 1

HCID 27534491,4-Benzenedicarboxylic acid, bis[4-(propoxycarbonyl)phenyl] ester

Procedure

Propyl p-hydroxybenzoate and terephthalic dichloride are allowed to react in a similar procedure to Example 5. The reaction product is recrystallized from hexane-chloroform (1:1) to yield di(p-propoxycarbonylphenyl)terephthalate, m.p. 136°-139° C., as white crystals.

Workup

  1. customto react in a similar procedure to Example 5
  2. customThe reaction product is recrystallized from hexane-chloroform (1:1)

Sources & evidence

ORD record
ord-52ca86b4680444dd9790876eeabce11a
Source dataset
uspto-grants-1987_09
Patent number
US04695649

Reaction notes

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