Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1860802Generated: October 26, 2026

1,3-Dihydro-2H-pyrrolo(2,3-b)pyridin-2-one → 3-(3-Cyclopentyl-4-methoxybenzylidene)-1,3-dihydropyrrolo[2,3-b]pyridin-2-one

https://huagongshe.com/reaction/1860802

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-Dihydro-2H-pyrrolo(2,3-b)pyridin-2-oneHCID 13864095—
Reactant3-Cyclopentyl-4-methoxybenzaldehydeHCID 22571071—
Product3-(3-Cyclopentyl-4-methoxybenzylidene)-1,3-dihydropyrrolo[2,3-b]pyridin-2-oneHCID 54219623—

Reaction Steps

3-Cyclopentyl-4-methoxybenzaldehyde was condensed with 7-aza-2-oxindole to give 0.25 g of 3-(3-cyclopentyl-4-methoxybenzylidene)-1,3-dihydropyrrolo[2,3-b]pyridin-2-one as a yellow-orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06531502B1
Source datasetuspto-grants-2003_03
ORD IDord-0090ab8b86d3419381a82547512db86d
Source noteuspto-grants-2003_03