Tetrabutylammonium Fluoride → HCID 86687048、化合物
反応式
[C:1]([C:5]1[CH:6]=[C:7]([NH:17][C:18]([NH:20][C@@H:21]2[C:30]3[C:25](=[CH:26][CH:27]=[CH:28][CH:29]=3)[C@H:24]([O:31][C:32]3[CH:33]=[CH:34][C:35]4[N:36]([C:38]([N:41]5[CH2:46][CH2:45][CH:44]([CH2:47][O:48][Si](C(C)C)(C(C)C)C(C)C)[CH2:43][CH2:42]5)=[N:39][N:40]=4)[CH:37]=3)[CH2:23][CH2:22]2)=[O:19])[N:8]([C:10]2[CH:15]=[CH:14][C:13]([CH3:16])=[CH:12][CH:11]=2)[N:9]=1)([CH3:4])([CH3:3])[CH3:2].CCCC[N+](CCCC)(CCCC)CCCC.[F-]>C1COCC1.O>[C:1]([C:5]1[CH:6]=[C:7]([NH:17][C:18]([NH:20][C@@H:21]2[C:30]3[C:25](=[CH:26][CH:27]=[CH:28][CH:29]=3)[C@H:24]([O:31][C:32]3[CH:33]=[CH:34][C:35]4[N:36]([C:38]([N:41]5[CH2:46][CH2:45][CH:44]([CH2:47][OH:48])[CH2:43][CH2:42]5)=[N:39][N:40]=4)[CH:37]=3)[CH2:23][CH2:22]2)=[O:19])[N:8]([C:10]2[CH:15]=[CH:14][C:13]([CH3:16])=[CH:12][CH:11]=2)[N:9]=1)([CH3:4])([CH3:2])[CH3:3]参加物
実験手順
A solution of Intermediate 54d (210 mg, 0.261 mmol) and TBAF (1M in THF, 0.31 mL, 0.31 mmol) in THF (5 mL) was stirred at RT for 1.25 h. The mixture was diluted with water and extracted with DCM (3×15 mL). The combined organics were dried and concentrated in vacuo. The residue was purified by FCC, using 0-16% MeOH in DCM, to give the title compound as an off-white powder after freeze-drying (134 mg, 79%). LCMS (Method 5): Rt 4.24 min, m/z 649.2 [MH+]. 1H NMR (400 MHz, d6-DMSO): 1.27 (9H, s), 1.38-2.16 (9H, m), 2.36 (3H, s), 2.85-2.97 (2H, m), 3.28-3.49 (4H, m), 4.52 (1H, t, J 5.2), 4.78-4.85 (1H, m), 5.55 (1H, t, J 4.3), 6.32 (1H, s), 7.07 (1H, d, J 8.6), 7.15 (1H, dd, J 9.7, 2.1), 7.25-7.41 (8H, m), 7.60 (1H, d, J 9.7), 7.64 (1H, d, J 1.6), 8.04 (1H, s).
後処理
- extractionextracted with DCM (3×15 mL)
- customThe combined organics were dried
- concentrationconcentrated in vacuo
- customThe residue was purified by FCC
出典と根拠
- ORDレコード
- ord-490499b7d2964b99ad9ec5e4072e584c
- 出典データセット
- uspto-grants-2015_09
- 特許番号
- US09139584B2
反応ノート
読み込み中…