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4-Hydroxybenzaldehyde → Benzaldehyde, 4-(phenylmethoxy)-
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 4-Hydroxybenzaldehyde | HCID 126 | — |
| 反応物 | Potassium Iodide | HCID 4875 | — |
| 反応物 | Dimethylformamide | HCID 6228 | — |
| 反応物 | Potassium Carbonate | HCID 11430 | — |
| 溶媒 | Water | HCID 962 | — |
| 溶媒 | Ethyl Acetate | HCID 8857 | — |
| 生成物 | Benzaldehyde, 4-(phenylmethoxy)- | HCID 78109 | 95% |
反応手順
To a stirred mixture of 4-hydroxybenzaldehyde (28.2 g, 231 mmol), potassium carbonate (47.9 g, 35 mmol), potassium iodide and DMF(280 mL) benzyl bromide was added slowly at 0° C. The mixture was stirred at rt overnight. The mixture was diluted with EtOAc and water. The layers were separated and the aqueous layer was extracted with EtOAc. The combined organic layers were washed with 1N aq HCl and dried. The solution was concentrated to give 4-benzyloxybenzaldehyde (46.5 g, 95%). 1H NMR: (CDCl3, 400 MHZ) δ=5.15 (s, 2H), 7.06 (m, 2H), 7.42(m, 5H), 7.84(m, 2H), 9.89(s, 1H).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08835426B2 |
| 出典データセット | uspto-grants-2014_09 |
| ORD ID | ord-42ea015766b440f091058e5f05edbb7f |
| 出典メモ | uspto-grants-2014_09 |