Synthesis of 10-alkyl- and 10,10′-alkyl-linked 9-aminoacridinium salts

Abstract
Potassium 9(10H)-acridone with α,ω-diiodoalkanes in dimethylformamide or acetonitrile gave α,ω-bis-(9-oxo-9,10-dihydroacridin-10-yl)alkanes, which were converted into the corresponding 9-aminoacridinium salts by successive treatment with phosphorus trichloride oxide, primary amines, and acid.

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