Lithium Hydroxide → HCID 86684066, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 154c (85 mg, 0.15 mmol) and lithium hydroxide (36 mg, 1.5 mmol) in i-propanol/THF (1:1, 4 mL) and water (1 mL) was stirred at 30° C. for 1 h. The mixture was evaporated under reduced pressure and the residue was extracted diluted with water (5 mL). It was then with ethyl acetate (2×10 mL). The combined ethyl acetate extract was concentrated under reduced pressure and the residue was purified by reverse-phase prep-HPLC to afford the title compound (11 mg, 16%) as a white solid. MS-ESI: [M+H]+ 531.4. 1H NMR (500 MHz, DMSO-d6) δ 8.54-8.53 (m, 2H), 8.03 (s, 1H), 7.91 (d, J=1.5 Hz, 1H), 7.80-7.76 (m, 1H), 7.75 (s, 1H), 7.55 (d, J=2.5 Hz, 1H), 7.52 (d, J=5.0 Hz, 1H), 6.89 (d, J=2.5 Hz, 1H), 5.04 (t, J=5.0 Hz, 1H), 4.34 (d, J=5.0 Hz, 2H), 3.88 (s, 3H), 3.63 (s, 3H), 1.40 (s, 9H).

Provenance & Evidence