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Sulfuric Acid → 4-Methylesculetin
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Sulfuric Acid | HCID 1118 | — |
| 反応物 | Ethyl Acetate | HCID 8857 | — |
| 反応物 | 1,2,4-Triacetoxybenzene | HCID 69169 | — |
| 生成物 | 4-Methylesculetin | HCID 5319502 | 95% |
反応手順
45 ml 75% sulphuric acid is added dropwise to a mixture of 5.8 ml ethyl acetate and 11.4 g 1,2,4-triacetoxy- benzene, heated for 30 min to 80° C., poured onto ice, filtered, the precipitate is washed neutral and dried in a vacuum. 8.2 g of the title compound (95 % of theory) is obtained with a melting point of 270° to 272° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05716983 |
| 出典データセット | uspto-grants-1998_02 |
| ORD ID | ord-b7718f58bde9494b95ff5117de0e5b01 |
| 出典メモ | uspto-grants-1998_02 |