Methyl iodide → HCID 69084469, compound

Participants

Reaction Steps

2-Amino-7-hydroxy-4-(3-bromo-4,5-dimethoxy-phenyl)-4H-benzo[h]chromene-3-carbonitrile (8) (45 mg, 0.1 mmol) and potassium carbonate (14 mg, 0.1 mmol) were taken in dry acetonitril (5 ml) at room temperature, stirred for 1 h, charged with iodomethane (15.6 mg, 0.11 mmol) and stirred further at room temperature under LC-MS control. The reaction mixture was diluted with water (10 ml) under stirring, stirred further at room temperature for 2 h, the precipitates were collected by filtration, washed with water and dried to get the title compound (43 mg, 92%).

Provenance & Evidence