反応式
[C:1]([CH:4]([CH2:9][CH:10]=[C:11]([CH3:26])[CH2:12][CH2:13][CH:14]=[C:15]([CH3:25])[CH2:16][O:17][Si:18]([CH3:24])([CH3:23])[C:19]([CH3:22])([CH3:21])[CH3:20])C(OC)=O)(=[O:3])[CH3:2].[I-].[Na+].O>CN(C)P(=O)(N(C)C)N(C)C>[CH3:26][C:11]([CH2:12][CH2:13][CH:14]=[C:15]([CH3:25])[CH2:16][O:17][Si:18]([CH3:24])([CH3:23])[C:19]([CH3:22])([CH3:21])[CH3:20])=[CH:10][CH2:9][CH2:4][C:1](=[O:3])[CH3:2]参加物
5
反応条件
- 温度
- 150 °C
実験手順
To a solution of methyl 2-acetyl-10-(dimethyl t-butylsilyl)oxy-5,9-dimethyl-4,8-decadienate (96 mg, 0.25 mmol) in hexamethylphosphoric triamide (0.5 ml) were added sodium iodide (45 mg, 0.30 mmol) and water (0.01 ml), and the mixture was stirred at 150° C. After two hours, the reaction mixture was allowed to cool to room temperature, and water (2 ml) was added thereto. The product was extracted with ether (5 ml×2). The extract was dried over Na2SO4, and concentrated to give a residue, which was then purified with silica gel column chromatography to obtain 6,10-dimethyl-11-(dimethyl t-butylsilyl)oxy-5,9-undecadien-2-one (57 mg, 70%).
後処理
- temperatureto cool to room temperature
- extractionThe product was extracted with ether (5 ml×2)
- dry with materialThe extract was dried over Na2SO4
- concentrationconcentrated
- customto give a residue, which
- customwas then purified with silica gel column chromatography
出典と根拠
- ORDレコード
- ord-a4904be0b35a4982a19d91ff20312eee
- 出典データセット
- uspto-grants-1994_06
- 特許番号
- US05324869
関連ノート
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