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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2236938Generated: November 1, 2026

4-(4-Methylpiperazin-1-yl)aniline → HCID 178480720, compound

https://huagongshe.com/reaction/2236938

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(4-Methylpiperazin-1-yl)anilineHCID 737253—
Reactant4-methoxymethylene-6-bromo-4H-isoquinoline-1,3-dioneHCID 68692764—
SolventDimethylformamideHCID 6228—
ProductHCID 178480720HCID 17848072092.9%

Reaction Conditions

Temperature115 °C

Reaction Steps

To a suspension of crude 6-bromo-4-methoxymethylene-4H-isoquinoline-1,3-dione (846 mg, 3 mmol) in N,N-dimethylformamide (7.5 L) is added 4-(4-methyl-piperazin-1-yl)-phenylamine (573 mg, 3 mmol). The reaction mixture is shaken at 115° C. for 1.5 hours, then evaporated to dryness and triturated with ether. The precipitate is then filtered off, rinsed with copious amounts of ether, and dried to yield 1.23 g of 6-bromo-4-{[4-(4-methyl-piperazin-1-yl)-phenylamino]-methylene}-4H-isoquinoline-1,3-dione.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07713994B2
Source datasetuspto-grants-2010_05
ORD IDord-4008b1de175c4d7b86f6e60a3b090d42
Source noteuspto-grants-2010_05