化工社化工社 化学情報印刷レポート · 研究参考用
Hydrochloric Acid → L-Ascorbic Acid
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Hydrochloric Acid | HCID 313 | — |
| 反応物 | Ethanol | HCID 702 | — |
| 反応物 | 2-keto-L-Gulonic acid | HCID 102424 | — |
| 反応物 | Sodium | HCID 5360545 | — |
| 溶媒 | Acetone | HCID 180 | — |
| 生成物 | L-Ascorbic Acid | HCID 54670067 | — |
反応手順
Japanese laid-open application 58-177986 describes a process which includes the addition of ethanol and acetone to the sodium salt of 2-keto-L-gulonic acid, neutralization with hydrochloric acid, separating off the sodium chloride which is precipitated out by filtration and then holding the reaction mixture at temperatures in the range from 25° C. to 75° C., as a result of which L-ascorbic acid is obtained.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US06274744B1 |
| 出典データセット | uspto-grants-2001_08 |
| ORD ID | ord-ac1c7694d4e7425fa432c78686514ebd |
| 出典メモ | uspto-grants-2001_08 |