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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1836145Generated: November 2, 2026

N-methyl-2-oxoindoline-5-sulfonamide → 2-Oxo-3-[1-[3-(3-piperazin-1-yl-propyl)-4,5,6,7-tetrahydro-1H-indol-2-yl]-meth-(Z)-ylidene]-2,3-dihydro-1H-indole-5-sulfonic acid methylamide

https://huagongshe.com/reaction/1836145

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-methyl-2-oxoindoline-5-sulfonamideHCID 10176909—
Reactant3-(3-piperazin-1-yl-propyl)-4,5,6,7-tetrahydro-1H-indole-2-carbaldehydeHCID 23498821—
Product2-Oxo-3-[1-[3-(3-piperazin-1-yl-propyl)-4,5,6,7-tetrahydro-1H-indol-2-yl]-meth-(Z)-ylidene]-2,3-dihydro-1H-indole-5-sulfonic acid methylamideHCID 44299306—

Reaction Steps

3-(3-Piperazin-1-yl-propyl)-4,5,6,7-tetrahydro-1H-indole-2-carbaldehyde (61 mg, 0.22 mmol), prepared as described in Steps 1-3, Example 8 above, was condensed with 5-methylaminosulfonyloxindole (46 mg, 0.2 mmol) following the procedure used in Example 1 to precipitate 24 mg of the desired product as as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06777417B2
Source datasetuspto-grants-2004_08
ORD IDord-c598d93d8ef04758a2e8ad8ccbef8668
Source noteuspto-grants-2004_08