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Pyridopyrimidines. 6. Synthesis and reactions of 4-iminopyrido[2,3-d]pyrimidines and 3H-2-thioxopyrido[2,3-d]pyrimidin-4-ones

C.G. Dave, P.R. Shah, P.S. Pandya, and G.K. Shah

Department of Chemistry, St. Xavier's College, Ahmedabad-380009, India

 

Abstract: Synthesis of 3-substituted 1H-4-imino-5-(4-methoxyphenyl)-7-phenylpyrido[2,3-d]pyrimidine-2-thiones, 3-substituted 3H-2-thioxo-5-(4-methoxyphenyl)-7-phenylpyrido[2,3-d]pyrimidin-4-ones, 3-substituted ЗH-2-methylmercapto-5-(4-methoxyphenyl)-7-phenylpyrido[2,3-d]pyrimidin-4-ones, and 3-substituted 3H-2-(morpholino/piperidino)-5-(4-methoxyphenyl)-7-phenylpyrido[2,3-d]pyrimidin-4-ones has been reported. The structures of newly synthesized compounds have been established on the basis of the spectral data.

Full paper in Portable Document Format: 442a249.pdf

 

Chemical Papers 44 (2) 249–255 (1990)

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