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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1826781Generated: October 26, 2026

4-(Piperidin-4-yl)indolin-2-one → 4-(4-Methoxyphenyl)-5-(2-oxo-4-piperidin-4-yl-1,2-dihydroindol-3-ylidenemethyl)-1H-pyrrole-3-carboxylic Acid Ethyl Ester

https://huagongshe.com/reaction/1826781

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(Piperidin-4-yl)indolin-2-oneHCID 22135396—
Reactant5-formyl-4-(4-methoxyphenyl)-1H-pyrrole-3-carboxylic acid ethyl esterHCID 45112695—
Product4-(4-Methoxyphenyl)-5-(2-oxo-4-piperidin-4-yl-1,2-dihydroindol-3-ylidenemethyl)-1H-pyrrole-3-carboxylic Acid Ethyl EsterHCID 69584229—

Reaction Steps

4-Piperidin-4-yl-1,3-dihydroindol-2-one (45 mg, 0.2 mmol) was condensed with 5-formyl-4-(4-methoxyphenyl)-1H-pyrrole-3-carboxylic acid ethyl ester (60 mg, 0.23 mmol) to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07053086B2
Source datasetuspto-grants-2006_05
ORD IDord-62c84a59e1944168a9ea9ca411c1a601
Source noteuspto-grants-2006_05