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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1581606Generated: October 31, 2026

tert-Butyl piperazine-1-carboxylate → 1-(6-Chloronaphth-2-ylsulphonyl)piperazine hydrochloride

https://huagongshe.com/reaction/1581606

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant6-Chloronaphthalene-2-sulfonyl chlorideHCID 10635129—
Product1-(6-Chloronaphth-2-ylsulphonyl)piperazine hydrochlorideHCID 2270976658%

Reaction Steps

Using analogous procedures to those described in two of the paragraphs of the portion of Example 50 which is concerned with the preparation of starting materials, 1-tert-butoxycarbonylpiperazine was reacted with 6-chloronaphth-2-ylsulphonyl chloride to give 1-(6-chloronaphth-2-ylsulphonyl)piperazine hydrochloride salt in 58% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06730672B2
Source datasetuspto-grants-2004_05
ORD IDord-e18522bccacf4f38a5754bdb2786351f
Source noteuspto-grants-2004_05