REACTION OF 3-AZIDO-5-PHENYL-1,2,4-OXADIAZOLE WITH DIMETHYLFORMAMIDE, A NEW DEOXYGENATIVE COUPLING REACTION

Article abstract of DOI:10.1016/S0040-4039(00)97551-8

When 3-bromo-5-phenyl-1,2,4-oxadiazole is heated with sodium azide in anhydrous dimethylformamide at 130 deg C, 3-dimethylamino and 3-dimethylaminomethyleneamino-5-phenyl-1,2,4-oxadiazole are formed, the latter by a new deoxygenative coupling of the azide