Efficient synthesis of novel 1,2,4-triazole fused acyclic and 21–28 membered macrocyclic and/or lariat macrocyclic oxaazathia crown compounds with potential antimicrobial activity

Versatile simple efficient routes with good to excellent yields towards different functionalized 1,ω-bis(1,2,4-triazoles), 21–28 membered 1,2,4-triazole fused macrocyclic and/or lariat macrocyclic oxaazathia crown Schiff bases and/or amines have been investigated. Antimicrobial screening of some selected compounds revealed different inhibitory effects against Aspergillus fumigatus RCMB 002008 (1), Penicillium italicum RCMB 001018 (1), Syncephalastrum racemosum RCMB 016001 Candida albicans RCMB 005003, Staphylococcus aureus RCMB 106-001 (1), Pseudomonas aeruginosa RCMB 102-002, Bacillus subtilis RCMB 101-001 and Escherichia coli RCMB 103-001.

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