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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1043259Generated: October 31, 2026

Water → 1-(3-Bromo-4-nitrophenyl)-4-methylpiperazine

https://huagongshe.com/reaction/1043259

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1-MethylpiperazineHCID 53167—
Reactant2-Bromo-4-fluoro-1-nitrobenzeneHCID 2756993—
SolventEthyl AcetateHCID 8857—
Product1-(3-Bromo-4-nitrophenyl)-4-methylpiperazineHCID 1178154145%

Reaction Steps

2-Bromo-4-fluoronitrobenzene (949 mg, 4.31 mmol) was added in two portions to neat N-methypiperazine (8 mL) at 0° C. and allowed to warm to room temperature. The reaction was heated to 60° C. for 1 h, and then it was diluted with 50 mL of EtOAc and poured into H2O (50 mL). The layers were separated and the organic layer was washed with satd aq NaHCO3, dried (Na2SO4), and concentrated in vacuo to afford 580 mg (45%) of the title compound as a yellow solid: Mass spectrum (ESI, m/z): Calcd. for C11H14BrN3O2, 300.0 (M+H). found 300.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08557847B2
Source datasetuspto-grants-2013_10
ORD IDord-9315c3cd67b14b06ae032a811a46eb1e
Source noteuspto-grants-2013_10