4-Bromobenzohydrazide → 2-(4-Bromophenyl)-1,3,4-oxadiazole

Beteiligte Stoffe

Reaktionsschritte

12.3 mmol of 4-bromo-benzoic acid hydrazide were dissolved in 26 ml of triethyl orthoformate. The reaction mixture was stirred overnight at 140°, evaporated and the residue crystallized from ethanol to give the title compound as a colorless solid. MS (m/e): 225.0 (MH+, 100%)

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