Sodium Nitrate → HCID 22097090, compound

Participants

Reaction Steps

13.0 g (51 mmol) of 1-(carboxymethyl)-7-chloro-2,3(1H,4H)-quinoxalinedione were dissolved in 150 ml of concentrated sulfuric acid and, at 0° C., 4.3 g (51 mmol) of sodium nitrate were added a little at a time. The mixture was stirred at room temperature for 2 h and then poured into ice-water, and the precipitate was filtered off with suction to yield 10.2 g (67%) of the product. Melting point >280° C.

Provenance & Evidence