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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 912914Generated: October 30, 2026

Trifluoroacetic acid → 4-Piperazin-1-yl-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazole

https://huagongshe.com/reaction/912914

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant4-{6-Trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazol-4-yl}-piperazine-1-carboxylic acid tert-butyl esterHCID 86593832—
Product4-Piperazin-1-yl-6-trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazoleHCID 11755670—

Reaction Steps

4-{6-Trifluoromethyl-2-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazin-1-yl]-1H-benzoimidazol-4-yl}-piperazine-1-carboxylic acid tert-butyl ester from step (a) above reacted with trifluoroacetic acid under the conditions of Example 146c to give the title compound. MS (ESI, pos. ion) m/z: 500 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026241B2
Source datasetuspto-grants-2011_09
ORD IDord-85850f3f245b4d4db9f04cb09796b241
Source noteuspto-grants-2011_09