Trifluoroacetic acid → HCID 67494339, compound

Participants

Reaction Steps

The crude tert-butyl 4-(7-(bis((2-(trimethylsilyl)ethoxy)methyl)amino)-6-(1-ethoxyvinyl)-3-(6-phenylpyridin-3-yl)pyrazolo[1,5-a]pyrimidin-5-yloxy)piperidine-1-carboxylate was treated with 50% TFA in H2O (6 mL) and stirred overnight. The reaction mixture was concentrated in vacuo. Purification with prep-LC provided 1-(7-amino-3-(6-phenylpyridin-3-yl)-5-(piperidin-4-yloxy)pyrazolo[1,5-a]pyrimidin-6-yl)ethanone: LCMS tR=1.11 Min (5 min run, UV254nm). Mass calculated for, M+ 428.1, observed LC/MS m/z 429.1 (M+H).

Provenance & Evidence