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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1368383Generated: October 26, 2026

1-Methylpiperazine → 2-(2-Hydroxyphenyl)-1-(4-methylpiperazino)-1-ethanone

https://huagongshe.com/reaction/1368383

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-MethylpiperazineHCID 53167—
Reactant2(3H)-BenzofuranoneHCID 68382—
Product2-(2-Hydroxyphenyl)-1-(4-methylpiperazino)-1-ethanoneHCID 18520258101.7%

Reaction Conditions

Temperature85 °C

Reaction Steps

N-Methylpiperazine (1.52 g) was added to 2-coumaranone (2.01 g) and stirred for 3.5 hours at 85° C., thereby yielding the entitled compound (3.57 g) as pale brown solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06573297B2
Source datasetuspto-grants-2003_06
ORD IDord-35a45de58a02443fbf35d49473533310
Source noteuspto-grants-2003_06