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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 905797Generated: October 30, 2026

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

https://huagongshe.com/reaction/905797

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Methyl-1,3-dihydro-2H-indol-2-oneHCID 12579382—
Reactant5-(2-diethylaminoethyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehydeHCID 25023015—
Product5-(2-Diethylamino-ethyl)-3-methyl-2-(4-methyl-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-oneHCID 6660818452.5%

Reaction Steps

The title compound was prepared under the same conditions as described in Example 1 with 5-(2-diethylamino-ethyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde and 4-methyl-1,3-dihydro-indole-2-one (prepared according to U.S. Pat. No. 6,114,371) as starting materials to give 5-(2-diethylamino-ethyl)-3-methyl-2-(4-methyl-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (40 mg, 52.5%) as a light yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08012966B2
Source datasetuspto-grants-2011_09
ORD IDord-53d249832b25452bb99bcf8f919da2df
Source noteuspto-grants-2011_09