Benzoic Acid → 2-Phenylbenzimidazole

Reaction equation

[C:1]1(C)[CH:6]=[C:5](C)[CH:4]=[C:3](C)[C:2]=1[C:9]1[NH:10][C:11]2[CH:17]=[CH:16][CH:15]=[CH:14][C:12]=2[N:13]=1.C(O)(=O)C1C=CC=CC=1>>[C:2]1([C:9]2[NH:13][C:12]3[CH:14]=[CH:15][CH:16]=[CH:17][C:11]=3[N:10]=2)[CH:1]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

Reactant 2

HCID 243Benzoic Acid

HCID 227347972-Mesitylbenzimidazole

Product 1

HCID 128552-PhenylbenzimidazoleYield 88%

Procedure

2-Phenylbenzimidazole was synthesized in a similar way to 2-mesityl-benzimidazole, except using benzoic acid instead of 2,4,6-trimethylbenzoic acid. Molar amounts of carboxylic acid and diamine used were as previously described to provide an off-white powder in 88% yield.

Workup

customto provide an off-white powder in 88% yield

Sources & evidence

ORD record: ord-b339cf7b011d45e1bc198a377b43fae5
Source dataset: uspto-grants-2016_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09315630B2

Reaction notes

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