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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 992188Generated: October 29, 2026

Hydrochloric Acid → HCID 21870536, compound

https://huagongshe.com/reaction/992188

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDimethylformamideHCID 6228—
ReactantPropyneHCID 6335—
ReactantHCID 21870955HCID 21870955—
CatalystCopper iodideHCID 83717—
CatalystHCID 178418397HCID 178418397—
SolventTriethylamineHCID 8471—
ProductHCID 21870536HCID 21870536—

Reaction Steps

11.4 g of 6-(3,4-difluorophenyl)-2-naphthyl trifluoromethanesulfonate and 60 ml of DMF were dissolved in 20 ml of triethylamine. To the solution were then added 0.4 g of tetrakis(triphenylphosphine)palladium (0) and 0.1 g of copper iodide (I). Methyl acetylene was then introduced into the reaction mixture at ordinary temperature and pressure. The reaction mixture was then stirred for 2 hours. The reaction solution was neutralized with a 10% hydrochloric acid, extracted with 100 ml of toluene, and then washed with water and saturated brine. The solvent was then distilled off. The residue was then purified through silica gel column chromatography (hexane) to obtain 7.4 g of 2-(3,4-difluorophenyl)-6-(1-propinyl)naphthalene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06468607B1
Source datasetuspto-grants-2002_10
ORD IDord-ba83de0ba15b421091fbe841aa72c9c3
Source noteuspto-grants-2002_10