Synthesis of Arylhydrazono-tetrazolopyrimidones, -thiazolopyrimidones, -pyrazolopyridones and -benzimidazolopyrimidines. Part-4

MOHAMED ABBAS METWALLY, ABDEL·KADER M. ISMAIEL, MAMOUN Y. YOUSIF, FATHY BID
1989 Zenodo  
Department of Chemistry, Faculty of Science Faculty of Pharmacy, University of Mansoura, Mansour Faculty of Science, Al-Azhar University, Cairo, Egypt Manuscript received 6 July 1988, accepted 6 January 1989 Etbyl α-arylazo-β-oxobutyrates (1a-e) undergoes condensation witb 5-aminotetrazole, 2-amino-4-carboethoxythiazole and 3-amino-1-phenyl-2-pyrazolin-5-one to give the linearly fused condensation products (Z, 4 and 5). While tbe condensation of α-arylhydrazonoacetylacetone with
more » ... zole gives the arylazobeozimida- zolopyrimidines (7). The structures of the compounds were established by analytical and spectral methods.
doi:10.5281/zenodo.5948448 fatcat:mh64rlpv55dz3exfq2rgjwvdri