Trifluoroacetic acid → HCID 67127028, compound

Participants

Reaction Steps

To a cooled (0° C.) solution of EXAMPLE 139A (960 mg) in dichloromethane (10 mL) was added dropwise trifluoroacetic acid (5 mL). The mixture was stirred at the temperature for 3 hours. Then, the mixture was concentrated under vacuum and the residue was dissolved in dichloromethane (200 mL) and washed with aqueous NaHCO3 and brine. After drying over Na2SO4, the mixture was filtered, and evaporation of the solvent from the filtrate gave the title compound.

Provenance & Evidence