2-Ethoxy-1-(ethoxycarbonyl)-1,2-dihydroquinoline → (2S,4S)-4-acetylthio-1-allyloxycarbonyl-2-(3-allyloxycarbonylphenylcarbamoyl)pyrrolidine
反応式
[C:1]([S:4][C@@H:5]1[CH2:9][N:8]([C:10]([O:12][CH2:13][CH:14]=[CH2:15])=[O:11])[C@H:7]([C:16]([OH:18])=O)[CH2:6]1)(=[O:3])[CH3:2].[NH2:19][C:20]1[CH:21]=[C:22]([CH:29]=[CH:30][CH:31]=1)[C:23]([O:25][CH2:26][CH:27]=[CH2:28])=[O:24].C(OC1C=CC2C(=CC=CC=2)N1C(OCC)=O)C>C1(C)C=CC=CC=1.C(OCC)(=O)C>[C:1]([S:4][C@@H:5]1[CH2:9][N:8]([C:10]([O:12][CH2:13][CH:14]=[CH2:15])=[O:11])[C@H:7]([C:16](=[O:18])[NH:19][C:20]2[CH:31]=[CH:30][CH:29]=[C:22]([C:23]([O:25][CH2:26][CH:27]=[CH2:28])=[O:24])[CH:21]=2)[CH2:6]1)(=[O:3])[CH3:2]参加物
反応物 3
生成物 1
試薬・触媒・溶媒 2
実験手順
(2S,4S)-4-Acetylthio-1-allyloxycarbonyl-2-carboxypyrrolidine (2.54 g, 9.3 mM), allyl 3-aminobenzoate (1.5 g, 8.5 mNM), and 2-ethoxy-1-ethoxycarbonyl-1,2-dihydroquinoline (2.72 g, 11 mM) were dissolved in toluene (50 ml) and stirred for 18 hours at ambient temperature. The reaction mixture was diluted with ethyl acetate (150 ml) and washed with 2M HCl (3 by 30 ml), water, saturated NaHCO3, and brine. Drying over MgSO4 and evaporation gave (2S,4S)-4-acetylthio-1-allyloxycarbonyl-2-(3-allyloxycarbonylphenylcarbamoyl)pyrrolidine as a gum (3.7 g, 100%) in a state sufficiently pure for further work. Nmr (CDCl3): δ 2.32 (s, 3H); 2.60 (br, 2H); 3.40 (dd, 1H); 4.03 (quintet, 1H); 4.13 (dd, 1H); 4.57 (t, 1H); 4.66 (dm, 2H); 4.82 (dt, 2H); 5.23-5.46 (m, 4H); 5.86-6.12 (m, 2H); 7.41 (t, 1H); 7.82 (d, 1H); 7.91 (d, 1H); 8.07 (t, 1H); 9.18 (br, 1H).
後処理
- washwashed with 2M HCl (3 by 30 ml), water, saturated NaHCO3, and brine
- dry with materialDrying over MgSO4 and evaporation
出典と根拠
- ORDレコード
- ord-e4adccb44e25482089d3e76677ad4cce
- 出典データセット
- uspto-grants-1999_01
- 特許番号
- US05856321
反応ノート
読み込み中…