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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 49067Generated: October 27, 2026

Piperidine → 5-Bromo-3-[5-(2-morpholin-4-yl-ethoxy)-1H-indol-2-ylmethylene]-1,3-dihydro-indol-2-one

https://huagongshe.com/reaction/49067

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
Reactant5-Bromo-2-oxindoleHCID 611193—
Reactant5-(2-morpholin-4-yl-ethoxy)-1H-indole-2-carbaldehydeHCID 22042109—
SolventEthanolHCID 702—
Product5-Bromo-3-[5-(2-morpholin-4-yl-ethoxy)-1H-indol-2-ylmethylene]-1,3-dihydro-indol-2-oneHCID 6958654664%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 5-bromo-2-oxindole (46 mg, 0.22 mmol), 5-(2-morpholin-4-yl-ethoxy)-1H-indole-2-carbaldehyde (60 mg, 0.22 mmol) and piperidine (0.1 mL) in ethanol (1 mL) was heated at 100° C. for 2 hours. The precipitate was collected by vacuum filtration, washed with ethanol and dried to give 65 mg (64%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06706709B2
Source datasetuspto-grants-2004_03
ORD IDord-711fa2fb9e39407f9567267629567b3b
Source noteuspto-grants-2004_03