反応式
C[O:2][C:3]([C@H:5]1[CH2:14][C@H:13]([NH:15][C:16]([C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([CH2:24][NH:25][C:26]([O:28][C:29]([CH3:32])([CH3:31])[CH3:30])=[O:27])[CH:19]=2)=[O:17])[C:12]2[C:7](=[CH:8][C:9]([Cl:34])=[CH:10][C:11]=2[Cl:33])[NH:6]1)=[O:4].[OH-].[Li+]>O1CCCC1.O>[C:3]([C@H:5]1[CH2:14][C@H:13]([NH:15][C:16]([C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([CH2:24][NH:25][C:26]([O:28][C:29]([CH3:30])([CH3:32])[CH3:31])=[O:27])[CH:19]=2)=[O:17])[C:12]2[C:7](=[CH:8][C:9]([Cl:34])=[CH:10][C:11]=2[Cl:33])[NH:6]1)([OH:4])=[O:2]参加物
実験手順
To a solution of trans-2-methoxycarbonyl-5,7-dichloro-4-(3-tert-butyloxycarbonylaminomethylphenyl)carbonylamino-1,2,3,4-tetrahydroquinoline (step b) (430 mg, 0.846 mmol) in a mixture of tetrahydrofuran (20 ml) and water (10 ml) was added aqueous lithium hydroxide (1.95 ml of a 0.5M solution, 0.973 mmol), and the resulting mixture was stirred at room temperature for 3 h. The organic solvent was removed in vacuo and the aqueous residue was diluted to 50 ml before acidifying to pH 1 with 1N HCl. The white precipitate was extracted into ethyl acetate (150 ml), washed with brine and dried (Na2SO4). The solution was evaporated to give a residue which was washed with diethyl ether and collected by filtration to give the title compound as a colourless crystalline solid, m.p. 192°-193° C. δ (DMSO, 360 MHz) 1.39 (9H, s, C(CH3)3, 1.73 (1H, ddd, 13.2, 13.0 and 3.8 Hz, CHACHBHCCHD), 2.26 (1H, dm, J=13.2 Hz, CHACHBHCCHD), 3.96 (1H, dd, J=13.0 and 3.0 Hz, CHACHBHCCHD), 4.14 (2H, d,J=5.6 Hz, ArCH2NH), 5.26 (1H, m, CHACHBHCCHD), 6.65 (1H, d, J=2.0 Hz, 6-H or 8-H), 6.82 (1H, br s, ArNHCO), 6.91 (1H, d, J=2.0 Hz, 6-H or 8-H). 7.36-7.37 and 7.72-7.76 (5H, m, Ar-H and CH2NHCO), 8.66 (1H, d, J=7 Hz, NHCOAr); m/e (FAB+), 494 (M+1), 93 (100%); Found C, 55.92; H, 5.22; N, 8.35; C23H25Cl2N3O5 requires C, 55.88; H, 5.10; N, 8.50%.
後処理
- customThe organic solvent was removed in vacuo
- additionthe aqueous residue was diluted to 50 ml
- extractionThe white precipitate was extracted into ethyl acetate (150 ml)
- washwashed with brine
- dry with materialdried (Na2SO4)
- customThe solution was evaporated
- customto give a residue which
- washwas washed with diethyl ether
- filtrationcollected by filtration
出典と根拠
- ORDレコード
- ord-4fb36bb4a3ec4d43a72e427dae837be8
- 出典データセット
- uspto-grants-1993_07
- 特許番号
- US05231102
関連ノート
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