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Synthesis of novel 2-phenoxybenzo[g][1,2,4]triazolo[1,5-a]quinazoline and its derivatives starting with diphenyl-N-cyanoimidocarbonate
Journal article   Peer reviewed

Synthesis of novel 2-phenoxybenzo[g][1,2,4]triazolo[1,5-a]quinazoline and its derivatives starting with diphenyl-N-cyanoimidocarbonate

R. A. Al-Salahi and M. S. Marzouk
Russian journal of general chemistry, Vol.86(7), pp.1741-1746
01/07/2016
DOI: https://doi.org/10.1134/S1070363216070331

Abstract

Chemistry Chemistry, Multidisciplinary Physical Sciences Science & Technology
Cyclocondensation reaction of 3-hydrazinyl-2-naphthoic acid with diphenyl-N-cyanoimidocarbonate furnished the target 2-phenoxy-benzo[g][1,2,4]triazolo[1,5-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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