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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1774672Generated: October 31, 2026

Water → HCID 89428986, compound

https://huagongshe.com/reaction/1774672

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1,4-DibromobutaneHCID 8056—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 23369835HCID 23369835—
SolventDimethylformamideHCID 6228—
ProductHCID 89428986HCID 89428986—

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution (20 ml) of 7-hydroxy-4,4-dimethyl-3,4-dihydro-1H-quinolin-2-one (0.4 g) in DMF were added 1,4-dibromobutane (0.75 ml) and potassium carbonate (0.35 g) and the mixture was stirred at 60° C. for 6 hr. After cooling to room temperature, water was added to the reaction mixture and the mixture was extracted with ethyl acetate. The organic layer was washed with water, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (dichloromethane:methanol=100:1→50:1) to give the title compound (0.6 g) as a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260420B2
Source datasetuspto-grants-2016_02
ORD IDord-e2227b2b08ef4aa79548af02b5bca479
Source noteuspto-grants-2016_02