Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730801Generated: October 29, 2026

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

https://huagongshe.com/reaction/730801

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(3-Chloropyridin-2-yl)piperazine hydrochlorideHCID 20455074—
Reactant1H-Benzimidazole, 2,6-dichloro-5-(trifluoromethyl)-HCID 178506058—
Product5-Chloro-2-[4-(3-chloro-pyridin-2-yl)-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazoleHCID 10341827—

Reaction Steps

2,5-Dichloro-6-(trifluoromethyl)benzoimidazole (255 mg, 1.0 mmol, Example 84c) reacted with 1-(3-chloropyridin-2-yl)piperazine hydrochloride (233 mg, 1.0 mmol, Example 3b) under the conditions of Example 3c to give the title compound as a white solid. M.p. 208.9-211.0° C. MS (ESI, pos. ion) m/z: 416.3, 420.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-e719cac210d04ca1bbb444cd413788af
Source noteuspto-grants-2009_09