(2S)-1-Methyl-2-pyrrolidinemethanol → HCID 178448484, 화합물

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[CH3:1][N:2]1[CH2:6][CH2:5][CH2:4][C@H:3]1[CH2:7][OH:8].CC(C)([O-])C.[K+].[CH2:15]([N:19]1[CH:23]=[C:22]([C:24]([CH3:27])([CH3:26])[CH3:25])[S:21]/[C:20]/1=[N:28]\[C:29](=[O:41])[C:30]1[CH:35]=[C:34]([C:36]([F:39])([F:38])[F:37])[CH:33]=[CH:32][C:31]=1F)[CH2:16][CH2:17][CH3:18]>C1COCC1>[CH2:15]([N:19]1[CH:23]=[C:22]([C:24]([CH3:26])([CH3:27])[CH3:25])[S:21]/[C:20]/1=[N:28]\[C:29](=[O:41])[C:30]1[CH:35]=[C:34]([C:36]([F:39])([F:37])[F:38])[CH:33]=[CH:32][C:31]=1[O:8][CH2:7][C@@H:3]1[CH2:4][CH2:5][CH2:6][N:2]1[CH3:1])[CH2:16][CH2:17][CH3:18]

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실험 절차

A solution of (S)-(1-methylpyrrolidin-2-yl)methanol (109 mg, 0.94 mmol) in THF (5 mL) was treated with 1 M solution of potassium t-butoxide (0.95 mL, 0.944 mmol) and stirred for 15 min. A solution of Example 9B (190 mg, 0.47 mmol) was added to the reaction mixture and stirred for 6 hours. The reaction mixture was quenched with saturated NH4Cl solution, concentrated in vacuo, partitioned between EtOAc and brine, dried (MgSO4), filtered, and concentrated. The residue was purified using an Analogix® Intelliflash280™ (SiO2, 0-15% methanol in dichloromethane) to afford the title compound (175 mg, 75% yield). 1H NMR (300 MHz, DMSO-d6) δ ppm 0.91 (t, J=7.3 Hz, 3H), 1.17-1.42 (m, 11H), 1.49-1.83 (m, 5H), 1.82-2.03 (m, 1H), 2.17 (q, J=8.7 Hz, 1H), 2.32 (s, 3H), 2.54-2.67 (m, 1H), 2.83-3.01 (m, 1H), 3.92-4.10 (m, 2H), 4.14 (t, J=7.3 Hz, 2H), 7.28 (d, J=8.8 Hz, 1H), 7.32 (s, 1H), 7.72 (dd, J=9.0, 2.2 Hz, 1H), 7.95 (d, J=2.0 Hz, 1H). MS (DCI/NH3) m/z 498 (M+H)+. Anal. calcd for C25H34F3N3O2S: C, 60.34; H, 6.99; N, 8.44. Found: C, 60.27; H, 7.09; N, 8.40.