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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2364866Generated: November 1, 2026

Ethyl Acetate → 2,5-Bis(4-bromophenyl)-1-(4-iodophenyl)pyrrolidine

https://huagongshe.com/reaction/2364866

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant4-IodoanilineHCID 10893—
Reactant1,4-Bis(4-bromophenyl)butane-1,4-diyl dimethanesulfonateHCID 58226531—
SolventDimethylformamideHCID 6228—
Product2,5-Bis(4-bromophenyl)-1-(4-iodophenyl)pyrrolidineHCID 67238012—

Reaction Conditions

Temperature45 °C

Reaction Steps

The product from Example 42B (1.39 g, 2.499 mmol) in DMF (6.25 mL) was treated with 4-iodoaniline (Aldrich, 4.38 g, 19.99 mmol), heated at 40-50° C. for two hours, cooled and diluted into EtOAc. The EtOAc layer was washed 3×50 mL with 1 M HCl, with water, brine, dried (Na2SO4), filtered and concentrated. Purification by flash chromatography on an ISCO 40 g silica cartridge eluting with 0-20% EtOAc in hexane afforded the title compound as a tan foam as a mixture of stereoisomers (0.96 g, 66%). MS (ESI) m/z 584 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08691938B2
Source datasetuspto-grants-2014_04
ORD IDord-3b2e09cb7ab4479fb861ee6df7ba6d3b
Source noteuspto-grants-2014_04