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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 905759Generated: October 25, 2026

5-(2-diethylaminoethyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehyde → 2-(7-Bromo-5-fluoro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-diethylamino-ethyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one

https://huagongshe.com/reaction/905759

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(2-diethylaminoethyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine-2-carbaldehydeHCID 25023015—
Reactant7-Bromo-5-fluoroindolin-2-oneHCID 53418888—
Product2-(7-Bromo-5-fluoro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-diethylamino-ethyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-oneHCID 6660730178.2%

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 5-fluoro-7-bromo-1,3-dihydro-indol-2-one as starting materials to give 2-(7-bromo-5-fluoro-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5-(2-diethylamino-ethyl)-3-methyl-1,5,6,7-tetrahydro-pyrrolo[3,2-c]pyridin-4-one (62 mg, 78.2%) as an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08012966B2
Source datasetuspto-grants-2011_09
ORD IDord-571bd1d781704f9cab977536b620fccc
Source noteuspto-grants-2011_09