Phthalic Anhydride → 2-(4-Neopentylbenzoyl)-benzoic acid

HRID 1030834Notes

Reaction equation

[CH2:1]([C:6]1[CH:11]=[CH:10][CH:9]=[CH:8][CH:7]=1)[C:2]([CH3:5])([CH3:4])[CH3:3].[C:12]1(=[O:22])[O:17][C:15](=[O:16])[C:14]2=[CH:18][CH:19]=[CH:20][CH:21]=[C:13]12>>[CH2:1]([C:6]1[CH:7]=[CH:8][C:9]([C:12]([C:13]2[CH:21]=[CH:20][CH:19]=[CH:18][C:14]=2[C:15]([OH:17])=[O:16])=[O:22])=[CH:10][CH:11]=1)[C:2]([CH3:5])([CH3:4])[CH3:3]

Participants

Reactant 2

HCID 6811Phthalic Anhydride

HCID 13877Benzene, (2,2-dimethylpropyl)-

Product 1

HCID 140079172-(4-Neopentylbenzoyl)-benzoic acid

Procedure

In the novel process, neopentylbenzene (1) is acylated in a first step with phthalic anhydride (2) under Friedel-Crafts conditions to give 2-(4-neopentylbenzoyl)-benzoic acid (3). ##STR3##

Sources & evidence

ORD record: ord-6d4df2f6b0f44760800458d23941e82e
Source dataset: uspto-grants-1992_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05107004

Reaction notes

Loading…