反应详情

A suspension of 3-(4-cyclopropyl-2-fluoro-phenylamino)-1-methyl-1H-pyrrolo[3,2-c]pyridine-2-carboxylic acid (88 mg, 0.25 mmol), O-(2-vinyloxy-ethyl)-hydroxylamine (028 mg, 0.28 mmol), HATU (114 mg, 0.30 mmol) and DIPEA (0.052 ml, 0.30 mmol) in THF (3 ml) was stirred at ambient temperature for 18 hours. On completion of the reaction, the mixture was concentrated in vacuo then re-dissolved in DCM. The solution was washed with saturated aqueous NaHCO3 and brine, dried over magnesium sulphate then concentrated in vacuo. The resultant residue was purified by flash chromatography (Si-PPC, DCM:MeOH, gradient 99:1 to 90:10) to give a yellow solid (34 mg, 33%). LCMS (method B): RT=2.46 min, M+H+=411. 1H NMR (CDCl3): 8.58 (1H, s), 8.41-8.36 (1H, m), 7.30 (1H, d, J=6.08 Hz), 7.26 (1H, d, J=1.99 Hz), 6.87 (1H, dd, J=8.33, 2.02 Hz), 6.47 (1H, dd, J=8.34, 3.82 Hz), 5.85 (1H, s), 4.11 (3H, s), 3.97-3.90 (2H, m), 3.71 (2H, dd, J=5.23, 3.41 Hz), 2.78 (1H, m), 1.22-1.13 (6H, m).

1. customOn completion of the reaction
2. concentrationthe mixture was concentrated in vacuo
3. dissolutionthen re-dissolved in DCM
4. washThe solution was washed with saturated aqueous NaHCO3 and brine
5. dry with materialdried over magnesium sulphate
6. concentrationthen concentrated in vacuo
7. customThe resultant residue was purified by flash chromatography (Si-PPC, DCM:MeOH, gradient 99:1 to 90:10)