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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1839795Generated: October 31, 2026

3-methyl-4-(4-methyl-piperazine-carbonyl)-1H-pyrrole-2-carbaldehyde → HCID 69741367, compound

https://huagongshe.com/reaction/1839795

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-methyl-4-(4-methyl-piperazine-carbonyl)-1H-pyrrole-2-carbaldehydeHCID 22390955—
Reactant4-(4-Methoxy-phenyl)-1,3-dihydro-indol-2-oneHCID 22561901—
CatalystPiperidineHCID 8082—
SolventEthanolHCID 702—
ProductHCID 69741367HCID 6974136782.4%

Reaction Steps

To a solution of 4-(4-methoxy-phenyl)-1,3-dihydro-indol-2-one (59.8 mg, 0.25 mmol) and 3-methyl-4-(4-methyl-piperazine-1-carbonyl)-1H-pyrrole-2-carbaldehyde (61.2 mg, 0.26 mmol) in ethanol (2 mL) was added piperidine (3 drops). The reaction mixture was stirred at room temperature for three days. A yellow solid product was precipitated out, filtered, washed by ethanol for three times, and dried under high vacuum to provide pure product 4-(4-methoxy-phenyl)-3-[3-methyl-4-(4-methyl-piperazine-1-carbonyl)-1H-pyrrol-2-ylmethylene]-1,3-dihydro-indol-2-one as a yellow solid (94 mg, 82%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06677368B2
Source datasetuspto-grants-2004_01
ORD IDord-52f15f57e7ea4327a09922e6ac27e13e
Source noteuspto-grants-2004_01