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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 405889Generated: October 25, 2026

Methyl iodide → 3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4(1-methylindol-3-yl)-1-methyl pyrrole-2,5-dione

https://huagongshe.com/reaction/405889

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
ReactantEthyl AcetateHCID 8857—
ReactantPotassium CarbonateHCID 11430—
Reactant3-(5,6-Dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(1H-indol-3-yl)-1H-pyrrole-2,5-dioneHCID 9969209—
SolventDimethylformamideHCID 6228—
Product3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4(1-methylindol-3-yl)-1-methyl pyrrole-2,5-dioneHCID 67017050—

Reaction Steps

To a solution of 3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4(1H-indol-3-yl)pyrrole-2,5-dione (100 mg, see Example 1) in anhydrous dimethylformamide (5 ml) was added potassium carbonate (0.5 g) and methyl iodide (0.1 ml). The mixture was stirred at room temperature for 48 hours then poured into ethyl acetate (100 ml), washed with water (100 ml), dried over anhydrous sodium sulfate and evaporated to give 3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4(1-methylindol-3-yl)-1-methylpyrrole-2,5-dione as a red solid (93 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754078B2
Source datasetuspto-grants-2014_06
ORD IDord-f73d4914247d416787da1c9df10b93b6
Source noteuspto-grants-2014_06