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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 374897Generated: October 30, 2026

3,4-Dihydroxybenzaldehyde → HCID 19973517, compound

https://huagongshe.com/reaction/374897

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DihydroxybenzaldehydeHCID 8768—
ReactantPotassium CarbonateHCID 11430—
ReactantPropanedioic acid, 2,2-dibromo-, 1,3-diethyl esterHCID 69427—
SolventAcetonitrileHCID 6342—
ProductHCID 19973517HCID 19973517—

Reaction Steps

One equivalent of 3,4-dihydroxybenzaldehyde, 1.1 equivalents of diethyl dibromomalonate and powdered potassium carbonate is stirred in acetonitrile at room temperature for 18 hours. The reaction mixture is filtered, evaporated in vacuo, and distilled to give diethyl 5-formyl-1,3-benzodioxole-2,2-dicarboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05482971
Source datasetuspto-grants-1996_01
ORD IDord-d62ec251c8cd46269fa57c896d9f35c9
Source noteuspto-grants-1996_01