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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1169989Generated: October 27, 2026

Water → 5-(4-Methylpiperazinyl)-2-nitrobenzenecarbonitrile

https://huagongshe.com/reaction/1169989

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTriethylamineHCID 8471—
Reactant1-MethylpiperazineHCID 53167—
Reactant5-Fluoro-2-nitrobenzonitrileHCID 3756467—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product5-(4-Methylpiperazinyl)-2-nitrobenzenecarbonitrileHCID 16102059—

Reaction Conditions

Temperature100 °C

Reaction Steps

5-Fluoro-2-nitrobenzenecarbonitrile (1.02 equivalents) and N-methylpiperazine (1.0 equivalents) were dissolved in NMP. Triethylamine (2.1 equivalents) was added, and the resulting solution heated at 100° C. for 1 hour. The solution was cooled to room temperature and poured into H2O. A precipitate formed which was filtered to yield the desired product as a green solid. LC/MS m/z 247.3 (MH+), Rt 1.46 minutes.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07825132B2
Source datasetuspto-grants-2010_11
ORD IDord-515c61330017491b93f5833577acc90f
Source noteuspto-grants-2010_11