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Articles by M.A. Ahmed
Total Records ( 2 ) for M.A. Ahmed
  S.M. Mosaad , K.I. Mohammed , M.A. Ahmed and S.G. Abdel-Hamide
  A series of 2-(4-chlorophenyl)-6-iodoquinazoline carrying different acyclic or heterocyclic moieties were prepared and tested for their activity against certain strains of Gram negative bacteria, Gram positive bacteria and pathogenic Fungi. The results revealed that some of synthesized compounds displayed marked activity against some of the tested microorganisms
  S.M. Mosaad , K.I. Mohammed , M.A. Ahmed and S.G. Abdel-Hamide
  A new series of anthranilic acid derivatives were prepared through reaction of 2-(4-chlorophenyl)-6-iodo-4(H)-3,1-benzoxazine 3 with some amines. Reaction of {2-(4-chlorophenyl)-3-amino-6-iodo-3,4-dihydro-quinazolin-4-one} 6 and {2-(4-chlorobenzoyl-amino)-5-iodobenzoic acid hydrazide} 7 with some aldehydes and acid anhydrides was also reported. The structures of the new compounds were confirmed by microanalyses and spectral data. Some compounds showed promising antibacterial activities against Staphylococcus aureus and Bacillus Subtillis. Compounds 5h and 5K showed the highest activity (MIC = 12.5 μg ml-1), compound 12 a (MIC = 20.0 μg ml-1), compounds 5 a-g, 5 I, 5 j, 6 r,  9 a-h, (MIC = 50 μg ml-1) and compounds 8 g, 12 b, 12 c, (MIC = 100 μg ml-1).
 
 
 
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