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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730857Generated: October 26, 2026

(3R)-1-(3,5-Dichloro-pyridin-2-yl)-3-methyl-piperazine → 4-bromo-2-[(2R)-4-(3,5-dichloro-pyridin-2-yl)-2-methyl-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole

https://huagongshe.com/reaction/730857

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3R)-1-(3,5-Dichloro-pyridin-2-yl)-3-methyl-piperazineHCID 67402021—
ReactantHCID 178506061HCID 178506061—
Solvent1,4-DioxaneHCID 31275—
Product4-bromo-2-[(2R)-4-(3,5-dichloro-pyridin-2-yl)-2-methyl-piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazoleHCID 57835191—

Reaction Steps

A mixture of the piperazine from step (a) above (148 mg, 0.6 mmol) and 7-bromo-2-chloro-5-trifluoromethyl-1H-benzoimidazole (150 mg, 0.5 mmmol, Example 6b) in dioxane (2 mL) reacted under the conditions of Example 3c to give the title compound. Mp: 135-137° C. MS (ESI, pos. ion) m/z: 510 (M+1)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-d3c7bd3b48eb4d12a162d14c62bd2f87
Source noteuspto-grants-2009_09