Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1179967Generated: October 31, 2026

1-(2,4-dimethoxyphenyl)piperazine → 4-(2,4-Dimethoxyphenyl)-piperazine-1-carboxylic acid 4-(5-trifluoromethyl-pyridin-2-yloxy)-phenyl Ester

https://huagongshe.com/reaction/1179967

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2,4-dimethoxyphenyl)piperazineHCID 2736204—
Reactant4-(5-Trifluoromethylpyridin-2-yloxy)-phenyl chloroformateHCID 22047762—
Product4-(2,4-Dimethoxyphenyl)-piperazine-1-carboxylic acid 4-(5-trifluoromethyl-pyridin-2-yloxy)-phenyl EsterHCID 6951792569%

Reaction Steps

The title compound was prepared from 4-(5-trifluoromethyl-pyridin-2-yloxy)-phenyl chloroformate and 1-(2,4-dimethoxyphenyl)-piperazine. Purified by flash chromatography (ethyl acetate—heptane 1:4), yield 69%. White crystals, m.p. 98-99° C.; HPLC-MS: m/z=504 (M+1) at Rt=4.0 min.; IR (KBr): ν 1733, 1712 (C═O) cm−1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07279470B2
Source datasetuspto-grants-2007_10
ORD IDord-cbffb1d34c384b9cbb10076164059337
Source noteuspto-grants-2007_10