Trifluoroacetic acid → HCID 71254008, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 1-methyl-5-(methylamino)-4-(3-phenyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-c]pyridin-5-yl)pyrrolidin-2-one (34.3 mg, 0.084 mmol) and trifluoroacetic acid (3 mL) in a sealed high-pressure tube was stirred at 105° C. for 3 days. The reaction was cooled to RT and trifluoroacetic acid was removed via rotary evaporator. The resultant oil was diluted with ethyl acetate (30 mL). The organic layer was washed with aqueous saturated sodium bicarbonate solution (2×), water and brine, dried over Na2SO4, filtered, and evaporated in vacuo. The crude product was purified by reverse phase HPLC to give 259 as white solid (4.0 mg, 16.3%). 1H NMR (400 MHz, DMSO) δ 9.13 (s, 1H), 8.43 (s, 1H), 8.11 (d, J=7.5 Hz, 2H), 7.56 (t, J=7.6 Hz, 2H), 7.47 (d, J=7.3 Hz, 1H), 6.82 (s, 1H), 6.68 (s, 1H), 4.61 (s, 2H), 2.99 (s, 3H). LC/MS: m/z 291.0 [M+1]

Provenance & Evidence