Synthesis of novel 2-phenoxybenzo[<Emphasis Type="Italic">g</Emphasis>][1,2,4]triazolo[1,5-<Emphasis Type="Italic">a</Emphasis>]quinazoline and its derivatives starting with diphenyl-<Emphasis Type="Italic">N</Emphasis>-cyanoimidocarbonate |
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Authors: | R A Al-Salahi M S Marzouk |
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Abstract: | Cyclocondensation reaction of 3-hydrazinyl-2-naphthoic acid with diphenyl-N-cyanoimidocarbonate furnished the target 2-phenoxy-benzog]1,2,4]triazolo1,5-a]quinazolin-5(4H)-one (1) in high yield. Alkylation, thionation and chlorination of the lactam group in the compound 1 produced a variety of derivatives 2–17. Their structures were characterized by NMR and HREI-MS analyses. |
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