Pyridine → HCID 66779249, 화합물
반응식
[CH2:1]([O:5][C:6]1[CH:36]=[CH:35][C:9]2[C:10]3[C:27]4([O:32][CH2:31][C:30]([CH3:34])([CH3:33])[CH2:29][O:28]4)[C:11]=3[C:12]3[CH:19]=[CH:18][C:17]([O:20][CH2:21][CH2:22][O:23][CH2:24][CH2:25][OH:26])=[CH:16][C:13]=3[CH2:14][CH2:15][C:8]=2[CH:7]=1)[CH2:2][CH2:3][CH3:4].N1C=CC=CC=1.Cl[C:44]([O:46][C:47]1[CH:52]=[CH:51][C:50]([N+:53]([O-:55])=[O:54])=[CH:49][CH:48]=1)=[O:45]>C(Cl)Cl>[C:44](=[O:45])([O:46][C:47]1[CH:48]=[CH:49][C:50]([N+:53]([O-:55])=[O:54])=[CH:51][CH:52]=1)[O:26][CH2:25][CH2:24][O:23][CH2:22][CH2:21][O:20][C:17]1[CH:18]=[CH:19][C:12]2[C:11]3[C:27]4([O:32][CH2:31][C:30]([CH3:34])([CH3:33])[CH2:29][O:28]4)[C:10]=3[C:9]3[CH:35]=[CH:36][C:6]([O:5][CH2:1][CH2:2][CH2:3][CH3:4])=[CH:7][C:8]=3[CH2:15][CH2:14][C:13]=2[CH:16]=1참가 물질
실험 절차
A solution of alcohol 11 (0.439 g, 0.89 mmol) and pyridine (0.25 g, 3.21 mmol) in CH2Cl2 (approximately 5 mL) was added to a solution of 4-nitrophenyl chloroformate (0.30 g, 1.49 mmol) in CH2Cl2 (25 mL) at room temperature, and the reaction mixture was stirred for 20 minutes at room temperature. Solvent was evaporated under reduced pressure, and the residue was separated by chromatography (Hex:ExOAc 4:1+1.5% of Et3N) to provide 0.317 g (0.48 mmol 80%) of 12 as and 0.113 g (0.23 mmol) of starting 11. 1H NMR: 8.25 (d, J=8.8 Hz, 2 H) 7.65 (dd, J=8.4, 2.0 Hz, 2 H), 7.35, (d, J=9.2, 2 H), 6.92-6.82 (m, 4 H), 4.43 (t, J=4.4 Hz, 2 H), 4.19 (t, J=6.4 Hz, 2 H), 3.98 (t, J=4.4 Hz, 2 H), 3.92 (m, 7 H), 3.22 (d, J=10.8 Hz, 2 H), 2.43 (d, J=10.8 Hz, 2 H), 1.75 (p, J=7.2 Hz, 2 H), 1.51 (six, J=7.6 Hz, 2 H), 1.21 (s, 3H), 1.19 (s, 3 H), 0.98 (t, J=−7.2 Hz, 3 H); 13C NMR: 159.9, 159.2, 155.7, 152.7, 150.0 147.4, 145.6, 131.77, 131.63, 125.5, 124.6, 123.4, 122.0, 119.8, 119.1, 116.25, 116.19, 112.2, 112, 15, 84.1, 79.4, 70.0, 69.1, 68.4, 70.0, 67.8, 37.1, 31.5, 30.8, 22.87, 22.79, 19.5, 14.1.
후처리
- customSolvent was evaporated under reduced pressure
- customthe residue was separated by chromatography (Hex:ExOAc 4:1+1.5% of Et3N)
출처 및 근거
- ORD 기록
- ord-feb2ac81c67b48c18ad4fe1d7a7f3541
- 출처 데이터셋
- uspto-grants-2013_04
- 특허 번호
- US08426649B2
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