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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 842764Generated: October 25, 2026

5-[3,4-Dichlorophenoxy]-6-methoxy-8-[4-phthalimido-1-methyl-butylamino]lepidine → 8-((4-Amino-1-methylbutyl)amino)-5-(3,4-dichlorophenoxy)-6-methoxy-4-methylquinoline

https://huagongshe.com/reaction/842764

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-[3,4-Dichlorophenoxy]-6-methoxy-8-[4-phthalimido-1-methyl-butylamino]lepidineHCID 633117—
SolventEthanolHCID 702—
Product8-((4-Amino-1-methylbutyl)amino)-5-(3,4-dichlorophenoxy)-6-methoxy-4-methylquinolineHCID 473589—

Reaction Steps

A mixture of 12.2 g of 5-(3,4-dichlorophenoxy)-6-methoxy-4-methyl-8-[(4-phthalimido-1methylbutyl)amino]quinoline (21.6 mM) and 4 ml of 98% hydrazene hydrate in 500 ml of ethanol was refluxed 5 hours. The reaction mixture was evaporated under vacuum and the residue was partitioned between 400 ml of 10% potassium hydroxide and 400 ml of ethyl acetate. The organic layer was washed twice with 300 ml of 10% potassium hydroxide then four times with water, dried with anhydrous sodium sulfate and evaporated. The residue was used in the next reaction with out further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06376511B2
Source datasetuspto-grants-2002_04
ORD IDord-81697e8ba4834ab8ad0f6d31237f659c
Source noteuspto-grants-2002_04