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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1058533Generated: October 31, 2026

Water → HCID 18668439, compound

https://huagongshe.com/reaction/1058533

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPotassium CarbonateHCID 11430—
ReactantPyrrole-2-carboxaldehydeHCID 13854—
ReactantHCID 18668436HCID 18668436—
SolventDimethylformamideHCID 6228—
ProductHCID 18668439HCID 1866843962%

Reaction Steps

A mixture consisting of pyrrole-2-carboxaldehyde (9.5 g, 0.1 mole), anhydrous potassium carbonate (27.6 g, 0.2 mole) and 2-ethoxyethyl α-bromobutyrate (23.6 g, 0.105), as previously described, were kept under stirring in 20 ml DMF at room temperature for 12 hours. The reaction mixture was carefully poured into water, extracted with ethylacetate and the extracts were dried on sodium sulfate. After evaporation of the solvent, 15.5 g of 1-[1-(2-ethoxyethoxycarbonyl)-propyl]-2-formyl pyrrole were obtained as a brown oil, which was used in the subsequent step without any further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06518005B2
Source datasetuspto-grants-2003_02
ORD IDord-cdc5aaf9c9d7453886c71684d1f8f8c2
Source noteuspto-grants-2003_02