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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730800Generated: October 29, 2026

1-(3,5-Dichloropyridin-2-yl)piperazine → 5-Chloro-2-[4-(3,5-dichloro-pyridin-2-yl)-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole

https://huagongshe.com/reaction/730800

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(3,5-Dichloropyridin-2-yl)piperazineHCID 2771431—
Reactant1H-Benzimidazole, 2,6-dichloro-5-(trifluoromethyl)-HCID 178506058—
Product5-Chloro-2-[4-(3,5-dichloro-pyridin-2-yl)-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazoleHCID 57835186—

Reaction Steps

2,5-Dichloro-6-(trifluoromethyl)benzoimidazole (255 mg, 1.0 mmol, Example 84c) reacted with 1-(3,5-dichloropyridin-2-yl)piperazine (232 mg, 1.0 mmol, Example 9a) under the conditions of Example 3c to give the title compound as a white solid. M.p. 93.5-196.4° C. MS (ESI, pos. ion) m/z: 452.0, 454.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-50fb3f139ef943fcbcd28c002c6922e3
Source noteuspto-grants-2009_09