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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1610035Generated: October 30, 2026

Hydrazine → 4-(4-Phenylpiperazin-1-YL)butan-1-amine

https://huagongshe.com/reaction/1610035

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazineHCID 9321—
Reactant2-[4-(4-phenylpiperazin-1-yl)butyl]-2,3-dihydro-1H-isoindole-1,3-dioneHCID 600461—
SolventEthanolHCID 702—
Product4-(4-Phenylpiperazin-1-YL)butan-1-amineHCID 14162478—

Reaction Steps

Compound 3b (7.70 g, 21.21 mmol) was reacted with NH2NH2 (3.0 g, 93.75 mmol) in EtOH (60 mL) to give 4b, 4.60 g (93%) (Procedure B). 1H NMR (CDCl3) 1.48-1.61 (m, 4H), 2.83-2.43 (t, J=7.2 Hz, 2H, NCH2), 2.61-2.63 (t, J=4.5 Hz, 4H, N(CH2)2), 2.72-2.76 (t, J=6.4 Hz, 2H, NCH2), 3.19-3.22 (t, J=4.6 Hz, 4H, N(CH2)2), 6.33-6.94 (m, 3H, Ar—H), 7.23-7.28 (m, 2H, Ar—H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06982332B2
Source datasetuspto-grants-2006_01
ORD IDord-ccb71017986142b09cc338e918609838
Source noteuspto-grants-2006_01