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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 728930Generated: October 31, 2026

Hydrochloric Acid → 4-(3-Aminophenyl)-1-(phenylmethyl)-2-piperazinecarboxamide

https://huagongshe.com/reaction/728930

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
Reactant4-[3-(Acetylamino)phenyl]-1-(phenylmethyl)-2-piperazinecarboxamideHCID 14998758—
SolventMethanolHCID 887—
Product4-(3-Aminophenyl)-1-(phenylmethyl)-2-piperazinecarboxamideHCID 14998814—

Reaction Steps

To 4-[3-(acetylamino)phenyl]-1-(phenylmethyl)-2-piperazinecarboxamide (14.0g, 39.9 mmol) in methanol (115 mL) add 6N aqueous hydrochloric acid (28 mL). Stir the reaction at reflux. Monitor the progress of the reaction by thin-layer chromatography. Upon completion of the reaction adjust the pH to 12 with 4N aqueous NaOH to obtain a white precipitate. Filter the precipitate to obtain the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05051422
Source datasetuspto-grants-1991_09
ORD IDord-4b4d60452fe446f8977735caac5606e0
Source noteuspto-grants-1991_09