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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 264907Generated: October 31, 2026

1,2-Dibromoethane → HCID 53689643, compound

https://huagongshe.com/reaction/264907

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-DibromoethaneHCID 7839—
ReactantCesium carbonateHCID 10796—
ReactantEthyl gallateHCID 13250—
SolventDimethylformamideHCID 6228—
ProductHCID 53689643HCID 53689643—

Reaction Conditions

Temperature100 °C

Reaction Steps

A solution of 0.2 ml of 1,2-dibromoethane in 4 ml of dimethylformamide is added dropwise, four times at 2 hour intervals, to a solution, stirred at 100° C., of 2 g of gallic acid ethyl ester and 6.5 g of caesium carbonate in 80 ml of dimethylformamide. After being stirred for a further 2 hours at 100° C. the reaction mixture is concentrated by evaporation and the residue is partitioned between diethyl ether and water. The organic phases are dried over sodium sulfate and concentrated by evaporation. The title compound is obtained from the residue by FC (50 g of silica gel, methylene chloride-methanol=8:2): Rf (methylene chloride/methanol=8:2)=0.39.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05646143
Source datasetuspto-grants-1997_07
ORD IDord-b309d234b255413d85dd882163a21f53
Source noteuspto-grants-1997_07