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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2365096Generated: October 30, 2026

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

https://huagongshe.com/reaction/2365096

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Pyridin-4-yl-1,3-dihydro-indol-2-oneHCID 12111581—
Reactant3-methyl-4-oxo-5-(2-piperidin-1-yl-ethyl)-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehydeHCID 86637677—
Product3-Methyl-2-(2-oxo-4-pyridin-4-yl-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-piperidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-oneHCID 6660803173.1%

Reaction Steps

The title compound was prepared under the same conditions as described in Example 25 with 3-methyl-4-oxo-5-(2-piperidin-1-yl-ethyl)-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde and 4-pyridin-4-yl-1,3-dihydro-indol-2-one (prepared according to WO2002055517) as starting materials to give 3-methyl-2-(2-oxo-4-pyridin-4-yl-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-piperidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (50 mg, 73.1%) as an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08697692B2
Source datasetuspto-grants-2014_04
ORD IDord-d8f7eb452edd4fdaa2a1e3869b986a63
Source noteuspto-grants-2014_04