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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 905802Generated: October 30, 2026

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

https://huagongshe.com/reaction/905802

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-MethoxyoxindoleHCID 2793749—
Reactant3-methyl-4-oxo-5-(2-piperidin-1-yl-ethyl)-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehydeHCID 86637677—
Product2-(6-Methoxy-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-3-methyl-5-(2-piperidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-oneHCID 6660681561.8%

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 6-methoxy-1,3-dihydro-indol-2-one (prepared according to Journal of Organic Chemistry, 70(5), 1828-1834, 2005) starting materials to give 2-(6-methoxy-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-3-methyl-5-(2-piperidin-1-yl-ethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (51 mg, 61.8%) as an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08012966B2
Source datasetuspto-grants-2011_09
ORD IDord-fa538be9cd144722a8f8f9eb44f45609
Source noteuspto-grants-2011_09