Synthesis and antibacterial screening of hydrazones, Schiff and Mannich bases of isatin derivatives

Schiff bases and hydrazones of substituted isatins ( 1– 28) were prepared by reacting isatin and aromatic primary amines/hydrazines. A new series of the corresponding N-Mannich base ( 29– 35) was synthesised by reacting them with formaldehyde and diphenyl amine. The chemical structures were confirme...

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