[Br:1][C:2]1[N:7]=[C:6](F)[C:5]([CH2:9][OH:10])=[CH:4][CH:3]=1.[NH:11]1[CH2:16][CH2:15][CH2:14][C@H:13]([NH:17][C:18](=[O:24])[O:19][C:20]([CH3:23])([CH3:22])[CH3:21])[CH2:12]1.CN1CCOCC1.O>CN1CCCC1=O>[Br:1][C:2]1[N:7]=[C:6]([N:11]2[CH2:16][CH2:15][CH2:14][C@H:13]([NH:17][C:18](=[O:24])[O:19][C:20]([CH3:22])([CH3:21])[CH3:23])[CH2:12]2)[C:5]([CH2:9][OH:10])=[CH:4][CH:3]=1A mixture of (6-bromo-2-fluoro-3-pyridyl)methanol (1.766 mmol; 363.8 mg), tert-butyl N-[(3S)-3-piperidyl]carbamate (2.649 mmol; 530.5 mg), and N-Methylmorpholine (5.298 mmol; 541 mg; 0.588 mL) in 1-methyl-2-pyrrolidinone (10 mL) in a sealed pressure vial was heated at 130° C. for 4 hours. The mixture was poured into water, and extracted with EtOAc. The organic layer was concentrated. The residue was purified on silica eluted with 0 to 100% EtOAc in Heptane to afford tert-butyl N-[(3S)-1-[6-bromo-3-(hydroxymethyl)-2-pyridyl]-3-piperidyl]carbamate (546.3 mg, 80%).
読み込み中…
