Fusaric Acid → HCID 20375060, compound

Participants

Reaction Steps

0.6 g. of o-phenylenediamine, 1 g. of fusaric acid and 10 g. of polyphosphoric acid were heated at 200°-250° C. under nitrogen gas current with stirring for 1.5 hours. The reaction mixture was diluted with 200 ml. of water and then neutralized with sodium carbonate. The resulting crystals were filtered off, dried and recrystallized from ethyl acetate. 1.2 g. of colorless needles of the product (86% of theory) was obtained. M.P. 138.0°-139.0° C.

Provenance & Evidence