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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 733431Generated: October 26, 2026

HCID 14887792, compound → 4-Ethynyl-1,2-dimethoxybenzene

https://huagongshe.com/reaction/733431

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 14887792HCID 14887792—
ReactantButyllithiumHCID 178418339—
Product4-Ethynyl-1,2-dimethoxybenzeneHCID 361642185%

Reaction Steps

According to the General Procedure E, 2,2-dibromo-1-(3,4-dimethoxyphenyl)ethene (4.00 g, 12.40 mmol) and n-BuLi (17.11 ml, 27.28 mmol) are converted to give after workup and chromatography (SiO2, PE/EE=1:1, Rf=0.51) the title compound (1.70 g, 10.48 mmol, 85%) as a colorless solid, m.p. 71-72° C.;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07589205B2
Source datasetuspto-grants-2009_09
ORD IDord-15cd082522b84bc899d8b60367f284d9
Source noteuspto-grants-2009_09