1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 52950745、化合物
反応式
Cl.[CH3:2]/[C:3](=[CH:10]\[CH3:11])/[CH2:4][O:5][CH:6]1[CH2:9][NH:8][CH2:7]1.CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.C(N(C(C)C)CC)(C)C.Cl.[O:43]=[C:44]1[NH:53][C:52]2[N:51]=[CH:50][C:49](/[CH:54]=[CH:55]/[C:56](O)=[O:57])=[CH:48][C:47]=2[CH2:46][CH2:45]1>CN(C)C=O.O.C(OCC)(=O)C>[CH3:2]/[C:3](=[CH:10]\[CH3:11])/[CH2:4][O:5][CH:6]1[CH2:9][N:8]([C:56](=[O:57])/[CH:55]=[CH:54]/[C:49]2[CH:48]=[C:47]3[C:52](=[N:51][CH:50]=2)[NH:53][C:44](=[O:43])[CH2:45][CH2:46]3)[CH2:7]1参加物
反応物 5
生成物 1
試薬・触媒・溶媒 3
実験手順
(E)-3-(2-Methylbut-2-enyloxy)azetidine hydrochloride (168 mg, 0.94 mmol), EDCI (182 mg, 0.94 mmol), HOBt (132 mg, 0.94 mmol) and diisopropylethylamine (276 μL, 1.58 mmol) were successively added to a solution of (E)-3-(7-oxo-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)-acrylic acid hydrochloride (161 mg, 0.63 mmol) in dimethylformamide (12 mL) at room temperature. The reaction mixture was stirred overnight then diluted by addition of ethyl acetate (40 mL) and water (40 mL). The aqueous layer was separated and extracted with ethyl acetate (2×40 mL). The combined organic phases were washed with a saturated solution of sodium chloride (3×50 mL), dried over sodium sulfate, filtered and concentrated to dryness. The residue was purified by chromatography on silica gel using dichloromethane/methanol (98:2) as eluent. After trituration in diethyl ether, petroleum ether and methanol, the title product was obtained as a white solid (46 mg, 21%).
後処理
- customThe aqueous layer was separated
- extractionextracted with ethyl acetate (2×40 mL)
- washThe combined organic phases were washed with a saturated solution of sodium chloride (3×50 mL)
- dry with materialdried over sodium sulfate
- filtrationfiltered
- concentrationconcentrated to dryness
- customThe residue was purified by chromatography on silica gel
出典と根拠
- ORDレコード
- ord-8f74efac0e7041f397c68416603bc124
- 出典データセット
- uspto-grants-2016_04
- 特許番号
- US09321769B2
反応ノート
読み込み中…