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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1696454Generated: October 26, 2026

Diisopropylethylamine → 2'-Nitro-4'-(trifluoromethyl)-[1,1'-biphenyl]-3-acetic acid ethyl ester

https://huagongshe.com/reaction/1696454

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
Reactant4-Bromo-3-nitrobenzotrifluorideHCID 520706—
ReactantEthyl 2-(3-iodophenyl)acetateHCID 57581611—
CatalystTetrabutylammonium ChlorideHCID 70681—
Catalystpalladium(II) acetateHCID 167845—
Product2'-Nitro-4'-(trifluoromethyl)-[1,1'-biphenyl]-3-acetic acid ethyl esterHCID 6727105317%

Reaction Conditions

Temperature130 °C

Reaction Steps

Ethyl 2-(3-iodophenyl)acetate (0.500 g, 1.72 mmol), 4-bromo-3-nitrobenzotrifluoride (1.86 g, 6.89 mmol commercially available), tetrabutylammonium chloride (0.527 g, 1.90 mmol), i-Pr2NEt (0.33 mL, 1.90 mmol) and Pd(OAc)2 (0.039 g, 0.17 mmol) were combined neat in a sealed vial and heated at 130° C. for 65 h. The cooled reaction mixture was applied directly to silica gel and eluted with 25% EtOAc/hexanes to provide 2′-nitro-4′-(trifluoromethyl)-[1,1′-biphenyl]-3-acetic acid ethyl ester (0.107 g, 17% yield). MS (ESI) m/z: 354.0 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08163756B2
Source datasetuspto-grants-2012_04
ORD IDord-dbc0c5fd6e3944be89c75cdbbf37f216
Source noteuspto-grants-2012_04