Acetonitrile → HCID 135735631, compound

Participants

Reaction Steps

To a solution containing 25 g of the naphthol compound obtained in Step (1) above, 180 ml of acetonitrile and 35 ml of phosphorus oxychloride, 15 ml of N,N-dimethylacetamide was added dropwise at a temmperature below 60° C. with stirring. The mixture was stirred at 60° C. for 3 hours and was poured into 800 ml of ice water. The cyrstals thus-precipitated were collected by filtration and washed with 100 ml of acetonitrile.

Provenance & Evidence