反应详情

Compound 454 (0.3323 g, 0.62 mmol) was suspended in EtOH/toluene (3 mL/3 mL) at RT and stirred for 30 min. 2-Phenylacetyl isothiocyanate (0. 165 g, 0.93 mmol) was added and the reaction mixture was stirred at RT for 1 h, quenched with MeOH (2 mL) and concentrated to dryness. The residue was purified by flash chromatography (eluent 9/1/90 MeOH/NH4OH/DCM) to give compound 450 as a white solid (60 mg, 16% yield). 1H NMR δ(400 MHz, CD3CN): 8.51 (d, J=5.5 Hz, 1H), 7.99 (dd, J=2.5, 12.3 Hz, 1H), 7.84 (s, 1H), 7.82 (d, J=8.2 Hz, 2H), 7.32-7.53 (m, 9H), 6.62 (d, J=4.5 Hz, 1H), 3.81 (s, 2H), 3.54 (s, 2H), 2.30-2.53 (bs, 8H), 2.22 (s, 3H). LCMS: 613 (M+H)+.

1. stirringthe reaction mixture was stirred at RT for 1 h
2. customquenched with MeOH (2 mL)
3. concentrationconcentrated to dryness
4. customThe residue was purified by flash chromatography (eluent 9/1/90 MeOH/NH4OH/DCM)