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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1860827Generated: October 27, 2026

5-Bromo-2-oxindole → 5-Bromo-3-(3-cyclopentyl-4-methoxybenzylidene)-1,3-dihydroindol-2-one

https://huagongshe.com/reaction/1860827

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2-oxindoleHCID 611193—
Reactant3-Cyclopentyl-4-methoxybenzaldehydeHCID 22571071—
Product5-Bromo-3-(3-cyclopentyl-4-methoxybenzylidene)-1,3-dihydroindol-2-oneHCID 53969599—

Reaction Steps

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

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06531502B1
Source datasetuspto-grants-2003_03
ORD IDord-dc981b4361e44cbaae59e14670487d72
Source noteuspto-grants-2003_03