Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2101638Generated: November 1, 2026

5-Chlorooxindole → HCID 24906267, compound

https://huagongshe.com/reaction/2101638

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-ChlorooxindoleHCID 152801—
ReactantN-(2-(diethylamino)ethyl)-5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxamideHCID 20761785—
CatalystPiperidineHCID 8082—
SolventEthanolHCID 702—
ProductHCID 24906267HCID 2490626768.1%

Reaction Conditions

Temperature90 °C

Reaction Steps

A mixture of 5-Chloro-1,3-dihydro-indol-2-one (335 mg, 2 mmol), 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (2-diethylamino-ethyl)-amide (530 mg, 2 mmol) and piperidine (1 drop) in ethanol was heated at 90° C. for 2 hours. The reaction was cooled to room temperature, the resulting precipitate was collected by vacuum filtration, washed with ethanol and dried to give 565 mg (68%) of the title compound as an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07572924B2
Source datasetuspto-grants-2009_08
ORD IDord-88ca4e1c0c474d4eb0bbd16a8ec452be
Source noteuspto-grants-2009_08