反応式
[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][C:9](=[O:13])[CH2:10]2)=[CH:5][CH:4]=1.[H-].[Na+].Br[CH2:17][CH2:18][O:19][CH2:20][CH2:21]Br.[Cl-].[NH4+]>C1COCC1>[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][C:9](=[O:13])[C:10]32[CH2:21][CH2:20][O:19][CH2:18][CH2:17]3)=[CH:5][CH:4]=1参加物
実験手順
To the THF (300 ml) solution of 7-methoxy-3,4-dihydro-1H-naphthalen-2-one (Compound A1, 20 g, 0.11 mol), sodium hydride (9.9 g, 3.7 eq.) was added at 0° C. After stirring for 10 min, 1-bromo-2-(2-bromo-ethoxy)-ethane (19 ml, 12 eq.) was added dropwise thereto, and the mixture was stirred at 80° C. for 3 hr. To the reaction solution, saturated aqueous solution of ammonium chloride was added and the extraction was carried out twice with ethyl acetate. The organic layer was dried over magnesium sulfate. The drying agent was removed by filtration and the residues obtained after concentration under reduced pressure were purified by silica gel column chromatography (ethyl acetate/hexane) to obtain the title compound (white solid, 13 g, 51%).
後処理
- stirringthe mixture was stirred at 80° C. for 3 hr
- extractionthe extraction
- dry with materialThe organic layer was dried over magnesium sulfate
- customThe drying agent was removed by filtration
- customthe residues obtained
- concentrationafter concentration under reduced pressure
- customwere purified by silica gel column chromatography (ethyl acetate/hexane)
出典と根拠
- ORDレコード
- ord-392aa1cb81394130ba2ee0a3db6cced4
- 出典データセット
- uspto-grants-2015_09
- 特許番号
- US09126931B2
関連ノート
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