Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 77026Generated: October 29, 2026

Aniline → Phenylamino-(4-trifluoromethyl-phenyl)-acetic acid ethyl ester

https://huagongshe.com/reaction/77026

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAnilineHCID 6115—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanesulfonyloxy-(4-trifluoromethyl-phenyl)-acetic acid ethyl esterHCID 59401272—
SolventAcetonitrileHCID 6342—
ProductPhenylamino-(4-trifluoromethyl-phenyl)-acetic acid ethyl esterHCID 5940122860%

Reaction Conditions

Temperature100 °C

Reaction Steps

Methanesulfonyloxy-(4-trifluoromethyl-phenyl)-acetic acid ethyl ester (I102) (594 mg, 1.82 mmol), aniline (0.25 mL, 2.73 mmol), and DIPEA (0.48 mL, 2.73 mmol) are dissolved in acetonitrile (4 mL). The reaction is heated under microwave irradiation at 100° C. for 1 hour and 30 minutes. Aniline (0.17 mL, 1.820 mmol) is added again and the reaction is heated under microwave irradiation at 100° C. for 3 hours. Acetonitrile is removed under vacuum and the residue is purified by flash chromatography (Petroleum ether/DCM=75/25) to afford intermediate I151 as a yellow oil (195 mg, 60% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08835682B2
Source datasetuspto-grants-2014_09
ORD IDord-8545127f95aa4575b0973415b8ec7e40
Source noteuspto-grants-2014_09