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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1670800Generated: October 30, 2026

2-(4-Aminophenyl)ethylamine → HCID 66796133, compound

https://huagongshe.com/reaction/1670800

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(4-Aminophenyl)ethylamineHCID 72895—
Reactant8-(benzyloxy)-5-[(1R)-2-bromo-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]quinolin-2(1H)-oneHCID 21880641—
SolventDimethyl SulfoxideHCID 679—
SolventEthyl AcetateHCID 8857—
ProductHCID 66796133HCID 6679613391.6%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 5-(2-bromo-1-(tert-butyl-dimethyl-silanyloxy)-ethyl)-8-benzyloxy-1H-quinolin-2-one (5.0 g, 1.0 equiv) and 2-(4-aminophenyl)ethylamine (2.8 g, 2.0 equiv) in dimethylsulfoxide (10 mL) was heated at 100° C. for 12 h. The reaction mixture was cooled to 20° C., and the resulting red oil was diluted with ethyl acetate (200 mL) and extracted with two portions water (200 mL). The organic layer was washed with two portions of (1:1 10% aqueous acetic acid and saturated aqueous sodium chloride (200 mL). The organic layer was basified by carefully extracting with two portions of saturated sodium bicarbonate (200 mL), followed by saturated sodium chloride (200 mL). The resulting organic solution was treated with anhydrous sodium sulfate, and the solvent was removed under reduced pressure to afford the title intermediate (5.1 g) which was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07994165B2
Source datasetuspto-grants-2011_08
ORD IDord-84e5f108cc274240a2acd3e7e5874f29
Source noteuspto-grants-2011_08