Bromine → HCID 19347469, compound

Participants

Reaction Conditions

Reaction Steps

2-Phenyl-5,6-dihydroimidazo[2,1-b]benzothiazole-8(7H)-one hydrobromide (11.2 g) was placed into conc. hydrobromic acid (130 ml), and bromine (18.2 ml) was added dropwise to the reaction mixture while maintaining the temperature of 70-80° C. The reaction mixture was stirred at the same temperature for 2 hours, cooled, and washed with cold water to give yellow titled compound (12.8 g, 93%).

Provenance & Evidence