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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2369629Generated: November 1, 2026

Triphenylphosphine → 1-(4-Pentylphenyl)ethynyl-3-triisopropylsiloxynaphthalene

https://huagongshe.com/reaction/2369629

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphenylphosphineHCID 11776—
Reactant1-Ethynyl-4-pentylbenzeneHCID 2775131—
Reactant4-Bromo-2-triisopropylsiloxynaphthaleneHCID 67162464—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventDiethyl EtherHCID 3283—
SolventTriethylamineHCID 8471—
Product1-(4-Pentylphenyl)ethynyl-3-triisopropylsiloxynaphthaleneHCID 6716236833.1%

Reaction Steps

A solution of 3-triisopropylsilyoxy-1-bromonaphthalene (2.32 g, 6.1 mmol), (4-pentylphenyl)acetylene (1.58 g, 9.2 mmol), Pd(PPh3)2Cl2 (129 mg, 3 mol %), PPh3 (240 mg, 15 mol %) and CuI (88 mg, 7.5 mol %) in Et3N (20 mL) under N2 was heated at reflux for 4 h. The resulting mixture was cooled, diluted with Et2O, filtered and the solvent removed under reduced pressure. The residue was chromatographed on silica using hexanes as eluent. The solvent was removed under reduced pressure to give the title compound (0.95 g, 33%) as a pale yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08703978B2
Source datasetuspto-grants-2014_04
ORD IDord-26135af3f66d468e8ac5f8856bc1c2a3
Source noteuspto-grants-2014_04