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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1029021Generated: October 30, 2026

Triethylamine → 2-Bromo-1-(3,3-dimethylbut-1-ynyl)-3-methylbenzene

https://huagongshe.com/reaction/1029021

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant3,3-Dimethyl-1-butyneHCID 13512—
Reactant2-Bromo-1-iodo-3-methylbenzeneHCID 50998158—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystDichlorobis(triphenylphosphine)palladiumHCID 6102075—
SolventTetrahydrofuranHCID 8028—
Product2-Bromo-1-(3,3-dimethylbut-1-ynyl)-3-methylbenzeneHCID 67345718—

Reaction Steps

A flask was charged with bis(triphenylphosphine)palladium(II)chloride (0.042 g, 0.060 mmol) and copper(I) iodide (0.023 g, 0.120 mmol) under nitrogen atmosphere. THF (4.6 mL) was added, followed by 2-bromo-1-iodo-3-methylbenzene (0.594 g, 2 mmol), triethylamine (2.3 mL, 16.50 mmol) and 3,3-dimethylbutyne (0.251 mL, 2.040 mmol). The reaction mixture was allowed to stir at RT overnight. The reaction mixture was filtered through a plug of silica gel and the plug was rinsed with Et2O. The solvent was removed under reduced pressure and the remaining residue was purified by flash chromatography (0-2% EtOAc/hexanes). 2-Bromo-1-(3,3-dimethylbut-1-ynyl)-3-methylbenzene was obtained as a light-yellow clear oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08735384B2
Source datasetuspto-grants-2014_05
ORD IDord-c519911a5bea480e8167913bbde94c5d
Source noteuspto-grants-2014_05