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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2112915Generated: October 31, 2026

tert-Butyl piperazine-1-carboxylate → 2-(3-Benzyl-2-oxo-4-piperazin-1-yl-2,3-dihydroimidazo[4.5-c]pyridin-1-ylmethyl)benzonitrile

https://huagongshe.com/reaction/2112915

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant2-(3-Benzyl-4-chloro-2-oxo-2,3-dihydroimidazo[4.5-c]pyridin-1-ylmethyl)benzonitrileHCID 23085351—
Product2-(3-Benzyl-2-oxo-4-piperazin-1-yl-2,3-dihydroimidazo[4.5-c]pyridin-1-ylmethyl)benzonitrileHCID 23085404—

Reaction Steps

2-(3-benzyl-4-chloro-2-oxo-2,3-dihydroimidazo[4.5-c]pyridin-1-ylmethyl)benzonitrile (0.364 g) and piperazine-1-carboxylic acid t-butyl ester (0.543 g) were heated at 170° C. for 12 hours. The residue was cooled, and then purified by silica gel chromatography using amine-treated silica.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07524847B2
Source datasetuspto-grants-2009_04
ORD IDord-e10ac7da83a54810b9420014949b3435
Source noteuspto-grants-2009_04