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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 49098Generated: October 25, 2026

3-Formyl-2-methylindole → 3-(2-Methyl-1H-indol-3-ylmethylene)-2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid amide

https://huagongshe.com/reaction/49098

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Formyl-2-methylindoleHCID 73166—
Reactant2-Oxoindoline-5-sulfonamideHCID 10198232—
Product3-(2-Methyl-1H-indol-3-ylmethylene)-2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid amideHCID 69344863—

Reaction Steps

5-Aminosulfonyl-2-oxindole was condensed with 2-methylindole-3-carboxaldehyde to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06706709B2
Source datasetuspto-grants-2004_03
ORD IDord-e513d9d542a6480d8480ffa4bf363cc1
Source noteuspto-grants-2004_03