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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2055217Generated: October 25, 2026

Triethylamine → N1-(4-nitrobenzyl)-N4-phenacyl piperazine dihydrochloride

https://huagongshe.com/reaction/2055217

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant2-ChloroacetophenoneHCID 10757—
Reactant1-(4-Nitrobenzyl)piperazine dihydrochlorideHCID 18005679—
SolventBenzeneHCID 241—
ProductN1-(4-nitrobenzyl)-N4-phenacyl piperazine dihydrochlorideHCID 8660619759.51%

Reaction Steps

A mixture of N-(4-nitrobenzyl)piperazine dihydrochloride (7.73 g, 30 mmol), triethylamine (8.37 ml, 60 mmol) and 2-chloro-1-phenylethanone (6.12 g, 39 mmol) in 100 ml of benzene was refluxed for 5 hours, and then treated according to general preparation 2 to give 5.2 g of compound (IV-4), yield 59.51%, mp 236-238° C. M+ 339.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07332495B2
Source datasetuspto-grants-2008_02
ORD IDord-3e33b0424ad041a4aa8e3eae9ec5f55f
Source noteuspto-grants-2008_02