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Hydrochloric Acid → Methyl 2-(4-isopropoxyphenyl)acetate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Hydrochloric Acid | HCID 313 | — |
| 反応物 | 2-Bromopropane | HCID 6358 | — |
| 反応物 | Cesium carbonate | HCID 10796 | — |
| 反応物 | Benzeneacetic acid, 4-hydroxy-, methyl ester | HCID 518900 | — |
| 溶媒 | Dimethylformamide | HCID 6228 | — |
| 生成物 | Methyl 2-(4-isopropoxyphenyl)acetate | HCID 525538 | — |
反応手順
Methyl (4-hydroxyphenyl)acetate (1.0 g, 1.0 eq), Cs2CO3 (2.15 g, 1.1 eq) and 2-bromopropane (0.565 mL. 1.0 eq) were combined in 100 ml DMF at room temperature. The mixture was stirred overnight. The suspension was poured into 50 mL 1 N HCl and extracted with ethyl acetate. The organic phase was separated and washed with water followed by sodium bicarbonate. The organic phase was dried over sodium sulfate and the solvent was evaporated to give an oil. The resulting oil was chromatographed on silica gel using hexanes and ethyl acetate (95:5) to give methyl (4-(1-methylethoxy)phenyl)acetate.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07091230B2 |
| 出典データセット | uspto-grants-2006_08 |
| ORD ID | ord-7592862b4de4400099977859206fead8 |
| 出典メモ | uspto-grants-2006_08 |