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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730809Generated: October 27, 2026

1-(3-Chloropyridin-2-yl)piperazine hydrochloride → 5-Bromo-2-[4-(3-chloro-pyridin-2-yl)-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole

https://huagongshe.com/reaction/730809

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(3-Chloropyridin-2-yl)piperazine hydrochlorideHCID 20455074—
ReactantHCID 178506057HCID 178506057—
Product5-Bromo-2-[4-(3-chloro-pyridin-2-yl)-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazoleHCID 10479385—

Reaction Steps

The reaction of 5-bromo-2-chloro-6-(trifluoromethyl)benzoimidazole (100 mg, 0.3 mmol, Example 89f) with 1-(3-chloropyridin-2-yl)piperazine hydrochloride (186 mg, 0.61 mmol, Example 3b) under the conditions of Example 3c afforded the title compound as a white solid. MS (ESI, pos. ion) m/z: 461.7, 464.0 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-79b7994b57ab463091f0519754efe3d4
Source noteuspto-grants-2009_09