反应详情

By proceeding in a similar manner to the procedure contained in J.Chem.Soc., 1956, page 771 but using 4-nitro-3,5-dimethylpyridine-N-oxide (23.06 g), phosphorous tribromide (111.47 g) in toluene (50 ml) there was prepared the title compound (8 g) as a yellow oil.