Synthesis, characterization and antimicrobial activity of some disubstituted 1,3,4-oxadiazoles carrying 2-(aryloxymethyl)phenyl moiety

Disubstituted 1,3,4-oxadaiazoles (4a–z, 4a′–f′), Mannich bases (6a–p) and S-alkylated derivatives (7a–t) have been synthesized from 2-(aryloxymethyl)benzoic acids (1a–d) through a multi-step reaction sequence. The structures of new compounds were established on the basis of their elemental analyses, IR, 1H NMR, 13C NMR and mass spectral data. All the synthesized compounds were screened for their in vitro antibacterial and antifungal activity and some of them exhibited good activity.

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