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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 535652Generated: October 25, 2026

1-Benzylpiperazine → 7-(4-Benzyl-piperazin-1-yl)-benzofuran-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/535652

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-BenzylpiperazineHCID 75994—
ReactantEthyl 7-bromobenzofuran-2-carboxylateHCID 46738833—
Product7-(4-Benzyl-piperazin-1-yl)-benzofuran-2-carboxylic acid ethyl esterHCID 59636745—

Reaction Steps

The compound was prepared according to the procedure disclosed in Example 1a starting from benzylpiperazine (16.1 mL, 92.6 mmol) and 7-bromo-benzofuran-2-carboxylic acid ethyl ester (16.6 g, 61.7 mmol). The product was purified by flash chromatography (SiO2; hexane/EtOAc, gradient 0-50%). Yield: 14 g (63%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08859534B2
Source datasetuspto-grants-2014_10
ORD IDord-c6571e7feed04f2ca443bfcc25b566c3
Source noteuspto-grants-2014_10