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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 842400Generated: October 26, 2026

2-Nitrophenyl isocyanate → 2-[1-(4-Pyridyl)piperidin-4-ylmethylaminocarbonyl]amino-nitrobenzene

https://huagongshe.com/reaction/842400

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Nitrophenyl isocyanateHCID 76834—
Reactant[1-(Pyridin-4-yl)piperidin-4-yl]methanamineHCID 10607746—
SolventDichloromethaneHCID 6344—
Product2-[1-(4-Pyridyl)piperidin-4-ylmethylaminocarbonyl]amino-nitrobenzeneHCID 1817446964%

Reaction Steps

A solution of 1-(4-pyridyl)piperidine-4-methylamine (1.34 g, 7.01 mmol) and 2-nitrophenyl isocyanate (1.21 g, 7.40 mmol) in methylene chloride was stirred at room temperature. Concentration in vacuo and purification by flash chromatography (silica gel, 5% methanol/1% triethylamine/94% chloroform) yielded 1.59 g (64%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06372759B1
Source datasetuspto-grants-2002_04
ORD IDord-baf82af736654dcdafeb42926a31b4e6
Source noteuspto-grants-2002_04