Hydrazinecarboxylic acid, ethyl ester → HCID 19438800, compound

Participants

Reaction Steps

To a solution of 4-benzyloxy-2-chloro-6-(1H-imidazol-1-yl)-quinoxalin-3(4H)-one (9.4 g; ~27.6 mmol) in 500 ml acetonitrile was added ethyl carbazate (28 g; ~270 mmol). The reaction mixture was refluxed overnight. Cooling to room temperature gave the title compound (11.1 g; 99%) as a precipitate. M.p. 197°-199° C.

Provenance & Evidence