Three-component reaction of methyl 2,4-dioxo-4-phenylbutanoate and methyl 2,4-dioxopentanoate with aromatic aldehydes and propane-1,2-diamine and chemical properties of the products |
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Authors: | V L Gein N N Kasimova Z G Aliev M I Vakhrin |
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Institution: | 1.Perm State Pharmaceutical Academy,Perm,Russia;2.Institute of Chemical Physics Problems,Russian Academy of Sciences,Chernogolovka, Moscow oblast,Russia |
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Abstract: | The reactions of methyl 2,4-dioxo-4-phenylbutanoate and methyl 2,4-dioxopentanoate with a mixture of an aromatic aldehyde
and propane-1,2-diamine, depending on the initial reactant ratio, gave 4-acyl-1-(2-aminopropyl)-5-aryl-3-hydroxy-2,5-dihydro-1H-pyrrol-2-ones and 1,1′-(propane-1,2-diyl)bis(4-acetyl-3-hydroxy-5-phenyl-2,5-dihydro-1H-pyrrol-2-one). Reactions of substituted 1-(2-aminopropyl)-2,5-dihydro-1H-pyrrol-2-ones with aromatic amines and hydrazines were studied, and the structure of one of the products, 5-(2-aminopropyl)-3,4-diphenylpyrrolo3,4-c]pyrazol-6-one, was proved by X-ray analysis. |
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