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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269885Generated: October 27, 2026

Piperazine → 1-(4-Benzyloxy-3-chlorophenyl)piperazine

https://huagongshe.com/reaction/269885

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant4-Bromo-1-methoxy-2-methylbenzeneHCID 608315—
Reactant1-Benzyloxy-4-bromo-2-chlorobenzeneHCID 10913524—
Product1-(4-Benzyloxy-3-chlorophenyl)piperazineHCID 2311147865.2%

Reaction Steps

Production Example 9 was repeated except that 5-bromo-2-methoxytoluene and 1-(2-phenethyl)piperazine were replaced with 1-benzyloxy-4-bromo-2-chlorobenzene (7.138 g) and piperazine (12.404 g), respectively. Thus obtained crude product was purified on silica gel column chromatography (eluent, chloroform: methanol=5:2) to provide 1-(4-benzyloxy-3-chlorophenyl)piperazine (4.739 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07449466B2
Source datasetuspto-grants-2008_11
ORD IDord-5b1db71180e3445e80716663646a1c90
Source noteuspto-grants-2008_11