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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2068984Generated: October 26, 2026

Piperidine → Ethyl 5-[(E)-2-ethoxycarbonylvinyl]-3-methyl-1H-pyrrole-2-carboxylate

https://huagongshe.com/reaction/2068984

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
Reactantethyl 5-formyl-3-methyl-1H-pyrrole-2-carboxylateHCID 1113514—
ReactantPropanedioic acid, monoethyl esterHCID 3595298—
SolventPyridineHCID 1049—
ProductEthyl 5-[(E)-2-ethoxycarbonylvinyl]-3-methyl-1H-pyrrole-2-carboxylateHCID 5919865047.7%

Reaction Conditions

Temperature100 °C

Reaction Steps

Ethyl 5-formyl-3-methyl-1H-pyrrole-2-carboxylate 470 mg, monoethyl malonate 378 mg, piperidine 0.05 mL and pyridine 6 mL were mixed and stirred at 100° C. for 38 hours. Ice water was added to the reaction liquid and the precipitate was recovered by filtration. The precipitate was washed with water and dried in flowing air under heating to provide 311 mg of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08299080B2
Source datasetuspto-grants-2012_10
ORD IDord-03e6a0fb06e24cdfbdfa2e6c1dfb14ae
Source noteuspto-grants-2012_10