Trifluoroacetic acid → 1-[(1R)-2-methoxy-1-phenylethyl]-3-[3-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-6-yl]urea

Participants

Reaction Steps

To the solution of (S)-1-(2-methoxy-1-phenylethyl)-3-(3-(1-methyl-1H-pyrazol-4-yl)-1-trityl-1H-pyrazolo[4,3-c]pyridin-6-yl)urea (63.4 mg, 0.100 mmol) and trifluoroacetic acid (0.383 ml, 5.00 mmol) in Dichloromethane (2.0 ml) was added triethylsilane (17.45 mg, 0.150 mmol). The resulting mixture was allowed to stir at rt for 18 h. LC-MS showed the completion of the reaction. After concentration the residue was purified by reverse phase HPLC to provide desired product (17.3 mg, 0.028 mmol, 27.9% yield). MS ESI Calc'd for C20H21N7O2 [M+H]+ 392, found 392

Provenance & Evidence