Trifluoroacetic acid → HCID 67336891, compound

Participants

Reaction Steps

0.64 g of the compound obtained in Example 45 dissolved in 20 ml of methylene chloride and 20 ml of trifluoroacetic acid was stirred at room temperature for 4 hours. The residue obtained from distillation of the reacted solution under a reduced pressure was stirred in 5 ml of methylene chloride while adding 20 ml of saturated sodium bicarbonate slowly and filtered under a reduced pressure to obtain the title compound as solid (0.53 g, 98%).

Provenance & Evidence