New bis-1,2,3-triazol-H-yl-substituted 2-aryl benzimidazoles VIa-VIp were synthesized from Oand N-bis-propargyl substituted 2-arylbenzimidazoles using "click chemistry." The newly synthesized compounds were characterized by IR, NMR, and mass spectra. These compounds were screened for their activity against bacterial and fungal organisms.

A series of novel isoindolone‐based macromolecules of medium‐sized heterocyclic rings, such as 7,8‐dihydro‐6H‐benzo[4,5][1,6,3]dioxazonino[2,3‐a]isoindol‐14(9aH)‐one derivatives (5a‐l), were synthesized and its frame work incorporating with a triazole moiety on phenol, ie, 2‐(4‐((1‐(2‐methoxyphenyl)‐1H‐1,2,3‐triazol‐4‐yl)methoxy)phenyl)isoindoline‐1,3‐dione (9a‐f) and also a triazole moiety on carboxylic acid, ie, (1‐(2‐methoxyphenyl)‐1H‐1,2,3‐triazol‐4‐yl)methyl 4‐(1,3‐dioxoisoindolin‐2‐yl)benzoate derivatives (13a‐e) with various substitutions on aryl ring system have synthesized. All the synthesized compounds were characterized and confirmed with IR, 1H NMR, 13C NMR, and ESI mass spectral analysis.

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