1-(N,N-Dimethylamino)-2-(N-phenylcarbamoyl)-1-buten-3-one as a Building Block for the Synthesis of Heterocyclic Compounds

• Autorzy: Elmaati T. , Said S. , Elenein N. A. , Sofan M. , Khodeir N.
• Języki publikacji: EN

Abstrakty

EN

Acetoacetanilide 1 reacted withDMF-DMAto give the enaminone 2. Compound 2, when treated with hydrazines gives the pyrazoles 4a and 4b respectively, and with pyrazole derivatives 5a and 5b the pyrazolopyrimidines 7. On the other hand, in reaction of 2 with benzimidazole and benzimidazole-2-acetonitrile, the pyrimidobenzimidazole 14 and the pyridobenzimidazole 17 were formed. 2 reacts with hippuric acid in boiling acetic anhydride to afford the pyridine 20. In the reaction of 2 with malononitrile, cyanoacetamide or malononitrile dimer compounds 21, 22 and 24 were formed. Compound 22 was further reacted with arylidenemalononitriles to give the benzopyridine derivatives 28. Pyridone 22 treated with S-DMF mixture gives thienopyridine 29, while refluxed with DMFDMA yielded the pyridopyridine 30.

Słowa kluczowe

EN

acetoacetanilide; DMFDMA; pyrazolopyrimidines; pyrimidobenzimidazole; thienopyrimidine

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2002
• Tom: Vol. 76 / nr 7
• Strony: 945--952
• Opis fizyczny: Bibliogr. 8 poz., rys.

Twórcy

autor

Elmaati T.

• Faculty of Specific Education, Mansoura University, New Damietta, P.O.Box. 34517, Egypt

autor

Said S.

• 1Faculty of Science, Mansoura University, New Damietta, Egypt

autor

Elenein N. A.

• 1Faculty of Science, Mansoura University, New Damietta, Egypt

autor

Sofan M.

• 1Faculty of Science, Mansoura University, New Damietta, Egypt

autor

Khodeir N.

• 1Faculty of Science, Mansoura University, New Damietta, Egypt

Bibliografia

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• 8. Sherief S.M. and Hussien A.M., Monatsh. Chem., 128, 687 (1997).