A convenient one-pot synthesis of benzopyrimido[1,8]naphthyridines by Knoevenagel condensation |
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| Authors: | R. Nandha Kumar T. Suresh P. S. Mohan |
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| Affiliation: | (1) Departament of Chemistry, Bharathiar University, Coimbatore-, 641046 TamilNadu, India |
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| Abstract: | A series of 1-oxo-2,4-diphenyl-3-thioxobenzo[g]pyrimido[6,5-b]-1,8-naphthyridines has been synthesized by Knoevenagel condensation from 3-formyl-2-oxoquinolines and N,N-diphenyl-2-thiobarbituric acid on refluxing with liquid ammonia in absolute ethanol.Published in Khimiya Geterotsiklicheskikh Soedinenii, No. 11, 1723–1725, November, 2004. |
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| Keywords: | benzopyrimidonaphthyridines N,N-diphenyl-2-thiobarbituric acid 3-formyl-2-oxoquinoline Knoevenagel condensation |
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