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2,4-Dihydroxybenzoic Acid → 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2,4-Dihydroxybenzoic Acid | HCID 1491 | — |
| 反応物 | Sodium Hydroxide | HCID 14798 | — |
| 反応物 | Chlorokojic acid | HCID 82051 | — |
| 生成物 | 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one | HCID 22404011 | 85.3% |
反応手順
By following the procedure of Example 1 by employing 4.22 g(27.4 mmole) of 2,4-dihydroxybenzoic acid, 1.1 g (27.5 mmole) of sodium hydroxide and 4 g(24.9 mmole) of chlorokojic acid, there was obtained 5.7 g(85.3%) of 2-(3,4-dihydroxybenzoyl)oxymethyl-5-hydroxy-4H-pyran-4-one as a solid.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05523421 |
| 出典データセット | uspto-grants-1996_06 |
| ORD ID | ord-93736ff3ed654ccba97910ce3f07b610 |
| 出典メモ | uspto-grants-1996_06 |