Trifluoroacetic acid → HCID 67334725, compound

Participants

Reaction Steps

350 mg of the compound obtained in Example 80 dissolved in 7 ml of methylene chloride was reacted with 7 ml of trifluoroacetic acid at room temperature for 4 hours. The residue obtained from distillation of the reacted solution under a reduced pressure was stirred in 50 ml of saturated aqueous sodium bicarbonate for 30 mins, filtered under a reduced pressure, and dried to obtain the title compound (250 mg, 89%).

Provenance & Evidence