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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 24430Generated: October 25, 2026

5-Chloro-4-methylindolin-2-one → 5-Chloro-3-(3-cyclopentyl-4-methoxybenzylidene)-4-methyl-1,3-dihydroindol-2-one

https://huagongshe.com/reaction/24430

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-4-methylindolin-2-oneHCID 10313388—
Reactant3-Cyclopentyl-4-methoxybenzaldehydeHCID 22571071—
Product5-Chloro-3-(3-cyclopentyl-4-methoxybenzylidene)-4-methyl-1,3-dihydroindol-2-oneHCID 54529496—

Reaction Steps

3-Cyclopentyl-4-methoxybenzaldehyde was condensed with 4-methyl-5-chloro-2-oxindole to give 0.3 g of 5-Chloro-3-(3-cyclopentyl-4-methoxybenzylidene)-4-methyl-1,3-dihydroindol-2-one as a yellow-orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06855730B2
Source datasetuspto-grants-2005_02
ORD IDord-cca398c9c520446496b9bf7da9b15924
Source noteuspto-grants-2005_02