Nehad A. El-Sayed

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A series of novel tricyclic pyrimido[4′,5′:4,5]pyrimido[1,6-a]azepine derivatives were synthesized using the starting compound 3-amino-1-oxo-2-phenyl-5-(pyrrolidin-1-yl)-1,2,4a,5,6,7,8,9-octahydropyrimido[1,6-a]azepine-4-carbonitrile 4. This series includes the 3-aryl derivatives 6a, b, the 3-cycloaminoalkyl derivatives 8a–f, the 3-mercaptomethyl(More)
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