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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 706314Generated: October 30, 2026

5-Aminobenzimidazole → 5-(4-(2-methoxyethoxy)phenyl)-1-(1H-benzo[d]imidazol-5-yl)imidazolidin-2-one

https://huagongshe.com/reaction/706314

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-AminobenzimidazoleHCID 13623—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
ReactantTrimethylsilyl cyanideHCID 82115—
ReactantTrifluoroacetateHCID 84468—
Reactant4-(2-Methoxyethoxy)benzaldehydeHCID 6485560—
Product5-(4-(2-methoxyethoxy)phenyl)-1-(1H-benzo[d]imidazol-5-yl)imidazolidin-2-oneHCID 178496108—

Reaction Steps

The compound was synthesized as trifluoroacetate salt starting from 5-aminobenzimidazole (1.3 gmg, 9.99 mmol), 4-(2-methoxyethoxy)benzaldehyde (1.5 g, 8.33 mmol), TMSCN (1.64 mL, 16.66 mmol) 10% Pd—C (200 mg), TEA (2.5 mL, 18.40 mmol), di-(imidazol-1-yl)methanone (1.192 g, 7.36 mmol), as described in method 2. The product was purified by means of preparative HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09173885B2
Source datasetuspto-grants-2015_11
ORD IDord-313b66a7b08449b9aa0dc9c3f7dc27e2
Source noteuspto-grants-2015_11