5-Nitroindazole → HCID 178526490, compound

Participants

Reaction Steps

To a solution of 12.4 g of 5-nitro-1H-indazole in 100 ml carbon tetrachloride were added 16.2 g of N-bromosuccinimide and 0.62 g of 2,2′-azobisisobutyronitrile, and the mixture was heated under reflux for 1 hour. The reaction mixture was cooled, and the resulting crystals were filtrated and washed with diethyl ether, to give 24.0 g of the title compound as a pale yellow powder.

Provenance & Evidence