{3-(Benzyloxycarbonyl-methyl)-1-[isopropyl-(4-methoxy-phenyl)-carbamoylmethyl]-2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl}acetic acid benzyl ester → {3-(Benzyloxycarbonyl-methyl)-1-[isopropyl-(4-methoxy-phenyl)-carbamoylmethyl]-2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl}acetic acid
反応式
[CH2:1]([O:8][C:9](=[O:56])[CH2:10][C:11]1([CH2:45][C:46]([O:48]CC2C=CC=CC=2)=[O:47])[C:17](=[O:18])[N:16]([C:19]([CH:31]([CH3:33])[CH3:32])([C:23]2[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=2)[C:20](=[O:22])[NH2:21])[C:15]2[CH:34]=[CH:35][CH:36]=[CH:37][C:14]=2[N:13]([C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[C:12]1=[O:44])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1>C(OCC)(=O)C.[Pd]>[CH2:1]([O:8][C:9]([CH2:10][C:11]1([CH2:45][C:46]([OH:48])=[O:47])[C:17](=[O:18])[N:16]([C:19]([CH:31]([CH3:33])[CH3:32])([C:23]2[CH:28]=[CH:27][C:26]([O:29][CH3:30])=[CH:25][CH:24]=2)[C:20](=[O:22])[NH2:21])[C:15]2[CH:34]=[CH:35][CH:36]=[CH:37][C:14]=2[N:13]([C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)[C:12]1=[O:44])=[O:56])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1参加物
反応物 1
生成物 1
試薬・触媒・溶媒 2
実験手順
450 mg (0.6 mmols) of {3-(Benzyloxycarbonyl-methyl)-1-[isopropyl-(4-methoxy-phenyl)-carbamoylmethyl]-2,4-dioxo-5-phenyl-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl}acetic acid benzyl ester, prepared as in Intermediate 27, is dissolved in 100 mL of ethyl acetate and 45 mg of 10% Pd/C is added. The reaction mixture is then kept under a hydrogen atmosphere with stirring for 2.5 h. The solution is then filtered through celite and the solvent is removed in vacuo. The resulting white solid is purified by reverse phase MPLC in methanol/water 70/30 as eluent to afford 130 mg (32%) of the title compound as a white solid: 1H NMR (CDCl3, 300 MHz) δ7.38-6.54 (m, 18H), 5.29-4.88 (m, 4H), 4.23 (m, 1H), 3.83 (d, J=7.5, 3H), 3.23-2.69 (m, 4H), 1.08-1.02 (m, 6H); low resolution MS m/e 664.
後処理
- filtrationThe solution is then filtered through celite
- customthe solvent is removed in vacuo
- customThe resulting white solid is purified by reverse phase MPLC in methanol/water 70/30 as eluent
出典と根拠
- ORDレコード
- ord-0190849fc4614cf5800ef73ea7104c43
- 出典データセット
- uspto-grants-1999_01
- 特許番号
- US05859007
反応ノート
読み込み中…