Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 912768Generated: October 26, 2026

Diisopropylethylamine → 4-Bromo-2-[4-(3-chloropyridin-2-yl)piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazole

https://huagongshe.com/reaction/912768

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant4-bromo-2-chloro-6-trifluoromethyl-1H-benzoimidazoleHCID 11594585—
Reactant1-(3-Chloropyridin-2-yl)piperazine hydrochlorideHCID 20455074—
Product4-Bromo-2-[4-(3-chloropyridin-2-yl)piperazin-1-yl]-6-trifluoromethyl-1H-benzoimidazoleHCID 57835161—

Reaction Steps

The benzoimidazole from step (b) above (210 mg, 0.7 mmol), 1-(3-chloropyridin-2-yl)piperazine hydrochloride (187 mg, 0.8 mmol, Example 3b) and N,N-diisopropylethylamine (0.28 mL, 1.6 mmol, Aldrich) were reacted under the conditions of Example 3c to give the title compound as a white amorphous solid. MS (ESI, pos. ion) m/z: 461 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026241B2
Source datasetuspto-grants-2011_09
ORD IDord-1b3b02c3d71645b3bb2499ff498f90de
Source noteuspto-grants-2011_09