反応式
[CH:1]([C:3]1[CH:10]=[CH:9][CH:8]=[CH:7][C:4]=1[CH:5]=[O:6])=[CH2:2].C[Si](Cl)(C)C.[CH2:16](O)[CH2:17][OH:18]>C(=O)(O)[O-].[Na+]>[CH2:17]1[O:18][CH:5]([C:4]2[CH:7]=[CH:8][CH:9]=[CH:10][C:3]=2[CH:1]=[CH2:2])[O:6][CH2:16]1参加物
5
実験手順
A mixture of 2-vinylbenzaldehyde (2.9 g, 22 mmol) and trimethylsilyl chloride (11 ml) in ethylene glycol (95 ml) was stirred for 16 h, diluted with saturated sodium bicarbonate solution, extracted with ether, dried over sodium sulphate and evaporated to afford a colourless oil (2.7 g), MS (+EI) 176 (M+), 1H NMR (CDCl3) 7.57 (1H, m), 7.53 (1H, dd, J1.5, 7.5 Hz), 7.36-7.30 (2H, m), 7.14 (1H, dd, J11, 17.4 Hz), 6.04 (1H, s) 5.69 (1H, dd, J1.3, 17.4 Hz), 5.34 (1H, dd, J1.3, 11.0 Hz), 4.18-4.04 (2H, m), 3.77-3.65 (2H, m).
後処理
- extractionextracted with ether
- dry with materialdried over sodium sulphate
- customevaporated
出典と根拠
- ORDレコード
- ord-af51443a925a48a791f16128fb1ca950
- 出典データセット
- uspto-grants-1999_03
- 特許番号
- US05883102
関連ノート
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