化工社化工社 化学情報印刷レポート · 研究参考用
Phosphoric Acid → Maltol
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Phosphoric Acid | HCID 1004 | — |
| 反応物 | 4-Bromo-6-hydroxy-2-methyl-2H-pyran-3(6H)-one | HCID 20468598 | — |
| 生成物 | Maltol | HCID 8369 | 34% |
反応手順
A solution of 4-bromo-6-hydroxy-2-methyl-2H-pyran-3(6H)-one (0.0025 mole) in 20 ml of 35% phosphoric acid was refluxed for about 5 hours. Maltol (34%) was isolated by the method of Example 1.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04147705 |
| 出典データセット | uspto-grants-1979_04 |
| ORD ID | ord-789a08dd972b4ebabbf1cd68f5b9406e |
| 出典メモ | uspto-grants-1979_04 |