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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1166767Generated: November 1, 2026

Water → HCID 22999184, compound

https://huagongshe.com/reaction/1166767

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1,2-DibromoethaneHCID 7839—
ReactantPotassium CarbonateHCID 11430—
Reactant5-BromovanillinHCID 18099—
SolventDimethylformamideHCID 6228—
ProductHCID 22999184HCID 2299918494.3%

Reaction Steps

1,2-Dibromoethane (37 mL, 0.43 moles) was added to a mixture of 5-bromovanillin (10 g, 43 mmoles) and potassium carbonate (30 g, 216 mmoles) in DMF (150 ml) and the resulting mixture was stirred vigorously at room temperature for 16 hours followed by vigorously stirring at 60° C. for 16 hours. The cooled mixture was poured into water (1 L) and extracted with ethyl acetate (3×250 mL). The combined organic phases were washed with saturated sodium chloride (300 mL), dried over MgSO4 and evaporated in vacuo to afford 13.7 g (94%) of 4-(2-bromoethoxy)-3-bromo-5-methoxybenzaldehyde.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06613942B1
Source datasetuspto-grants-2003_09
ORD IDord-afdce1855ec447aaa7b1615b2709b653
Source noteuspto-grants-2003_09