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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 912795Generated: October 26, 2026

1-[3-(Trifluoromethyl)pyridin-2-yl]piperazine → 4,6-Bis(trifluoromethyl)-2-[4-(3-trifluoromethylpyridin-2-yl)piperazin-1-yl]-1H-benzoimidazole

https://huagongshe.com/reaction/912795

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-[3-(Trifluoromethyl)pyridin-2-yl]piperazineHCID 2777786—
Reactant2-chloro-4,6-bis(trifluoromethyl)-1H-benzo[d]imidazoleHCID 11529388—
Product4,6-Bis(trifluoromethyl)-2-[4-(3-trifluoromethylpyridin-2-yl)piperazin-1-yl]-1H-benzoimidazoleHCID 11496725—

Reaction Steps

The benzoimidazole from step (b) above (115 mg, 0.4 mmol) and 1-(3-trifluoromethylpyridin-2-yl)piperazine (140 mg, 0.6 mmol, Maybridge) reacted under the conditions of Example 3c to give the title compound as a white solid. M.p. 142° C. MS (ESI, pos. ion) m/z: 484 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026241B2
Source datasetuspto-grants-2011_09
ORD IDord-d890e1965dce407ebaac9f73093264a0
Source noteuspto-grants-2011_09