Trifluoroacetic acid → HCID 67236013, compound

Participants

Reaction Steps

In a 50 mL round-bottomed flask 1,1-dimethylethyl[(1R)-2-({6-[(2-ethylphenyl)oxy]-3-pyridinyl}amino)-1-methyl-2-oxoethyl]carbamate (Intermediate 47, 251.1 mg) was dissolved in dichloromethane (2 mL) to give a pale orange solution. Trifluoroacetic acid (2 mL, 26.0 mmol) was added. The reaction mixture was stirred at room temperature. After 20 minutes the solvent was evaporated under vacuum affording a yellow oil which was charged on a 5 g SCX cartridge and flushed with 25 mL of MeOH followed by 25 mL of 2M solution of ammonia in MeOH. The ammonia eluate was evaporated under vacuum to afford the title compound as a yellow oil which solidified (170.0 mg).

Provenance & Evidence