反応式
[CH:1]([Si:4]([CH:19]([CH3:21])[CH3:20])([CH:16]([CH3:18])[CH3:17])[O:5][CH2:6][CH2:7][C:8]1[CH:9]=[C:10]([CH:13]=[CH:14][CH:15]=1)[CH:11]=O)([CH3:3])[CH3:2].[CH2:22]1[C:27](=[O:28])[CH2:26][C:24](=[O:25])[CH2:23]1.N1CCC[C@H]1C(O)=O.CC1NC(C)=C(C(OCC)=O)CC=1C(OCC)=O>ClCCl>[OH:25][C:24]1[CH2:23][CH2:22][C:27](=[O:28])[C:26]=1[CH2:11][C:10]1[CH:13]=[CH:14][CH:15]=[C:8]([CH2:7][CH2:6][O:5][Si:4]([CH:19]([CH3:21])[CH3:20])([CH:1]([CH3:3])[CH3:2])[CH:16]([CH3:18])[CH3:17])[CH:9]=1参加物
6
実験手順
To a solution of 14 (0.920 g, 3.0 mmol), 1,3-cyclopentadione (0.098 g, 1.0 mmol), and L-proline (0.005 mg) in dichloromethane (5 mL), diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate (0.253 g, 1.0 mmol) was added, and the resulting mixture was allowed to stir at rt for 12 h. The reaction mixture was directly purified by silica gel column chromatography using a gradient of ethyl acetate in hexanes as eluent, obtaining the title compound. Yield: 76%.
後処理
- customThe reaction mixture was directly purified by silica gel column chromatography
出典と根拠
- ORDレコード
- ord-aeec9718dc6944e796d68c0a7954f05e
- 出典データセット
- uspto-grants-2013_09
- 特許番号
- US08530520B2
関連ノート
読み込み中…