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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1373124Generated: October 30, 2026

4-Nitrobenzyl chloride → 1-Boc-4-(4-Nitrobenzyl)piperazine

https://huagongshe.com/reaction/1373124

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Nitrobenzyl chlorideHCID 7482—
ReactantTriethylamineHCID 8471—
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
Product1-Boc-4-(4-Nitrobenzyl)piperazineHCID 23506946—

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of 10.6 g (57 mmol) of N-tert.butoxycarbonyl-piperazine, 10.8 g (62.7 mmol) of 4-nitrobenzylchloride, 23.8 ml (171 mmol) of triethylamine in 100 ml of dichloromethane is stirred for 12 hours at 70° C. After diluting with water the organic phase is separated off, dried and evaporated down.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07160901B2
Source datasetuspto-grants-2007_01
ORD IDord-8addf26515aa4e59a47bf6a4ed5ed78c
Source noteuspto-grants-2007_01