Bis-(2-methylene-3-benzalphthalimidine) II, desoxybenzoin-o-(4'aminophenyl) carboxamide III and 2-(substitutedphenyl )-3-benzalphthalimidines of type IV and V were obtained via interaction of corresponding diamines with 3-benzylidenephthalide I. Condensation of C6H4 (NH2)2-1,2 with I gave fused benzimidazoisoindol derivative VII as anomalous product. Benzalphthalimidines with £-carboxylate of type VIIIa-c are also prepared. Their IR, PMR and Mass spectra were also studied, III and VIIIb were found to exhibit activity against Gram-positive, Gram-negative, yeast and filamentous fungi.
S A GHAZAL ,R Q LAMPHON ,A H BEDAIR ,
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