Synthesis of new purine,pteridine, and other pyrimidine derivatives |
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Authors: | E Abdel-Latif H M Mustafa H A Etman A A Fadda |
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Institution: | (1) Faculty of Science, Chemistry Department, University of Mansoura, Mansoura, 35516, Egypt |
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Abstract: | The reaction of malononitrile dimer with phenyl isothiocyanate gave (6-amino-1-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidin-4-ylidene)malononitrile
which was then used as starting material in the synthesis of pharmacologically important fused pyrimidine derivatives, such
as 4-dicyanomethylidene-1,5-diphenyl-2-thioxo-1,2,3,4-tetrahydropyrrolo2,3-d]pyrimidine, 6-cyano-4-dicyanomethylidene-7-methylsulfanyl-5-oxo-1-phenyl-2-thioxo-1,2,3,4,5,8-hexahydropyrido2,3-d]pyrimidine, 6-dicyanomethylidene-3-phenyl-2-thioxo-1,2,3,6-tetrahydro-9H-purine, and 6-substituted 4-dicyanomethylidene-7-oxo-1-phenyl-2-thioxo-1,2,3,4,7,8-hexahydropteridines.
Published in Russian in Zhurnal Organicheskoi Khimii, 2007, Vol. 43, No. 3, pp. 443–449.
The text was submitted by the authors in English. |
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