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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1811277Generated: October 25, 2026

4-(Piperidin-4-yl)indolin-2-one → 3-Methyl-2-(2-oxo-4-piperidin-4-yl-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-pyrrolidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one

https://huagongshe.com/reaction/1811277

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(Piperidin-4-yl)indolin-2-oneHCID 22135396—
Reactant3-methyl-4-oxo-5-(2-pyrrolidin-1-yl-ethyl)-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehydeHCID 86637675—
Product3-Methyl-2-(2-oxo-4-piperidin-4-yl-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-pyrrolidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-oneHCID 6660840930.2%

Reaction Steps

The title compound was prepared under the same conditions as described in Example 13 with 3-methyl-4-oxo-5-(2-pyrrolidin-1-yl-ethyl)-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde and 4-piperidin-4-yl-1,3-dihydro-indol-2-one as starting materials to give 3-methyl-2-(2-oxo-4-piperidin-4-yl-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-pyrrolidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (18 mg, 30.2%) as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08362251B2
Source datasetuspto-grants-2013_01
ORD IDord-e728cf9dd7a743749a6d82b041cd45ff
Source noteuspto-grants-2013_01