化工社化工社 化学情報印刷レポート · 研究参考用
Oxygen → 2-Hydroxy4,4-dimethyl-gamma-butyrolactone
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Oxygen | HCID 977 | — |
| 反応物 | Ethyl Acrylate | HCID 8821 | — |
| 反応物 | N-Hydroxyphthalimide | HCID 10665 | — |
| 反応物 | Ethyl 2,4-dihydroxy-4-methylpentanoate | HCID 11378808 | — |
| 触媒 | Cobalt diacetate | HCID 6277 | — |
| 溶媒 | Isopropanol | HCID 3776 | — |
| 溶媒 | Acetonitrile | HCID 6342 | — |
| 生成物 | 2-Hydroxy4,4-dimethyl-gamma-butyrolactone | HCID 10197703 | — |
反応手順
A mixture of 3 mmol of ethyl acrylate, 1 ml of 2-propanol, 0.6 mmol of N-hydroxyphthalimide, 0.06 mmol of cobalt(II) acetate, and 1 ml of acetonitrile was stirred at 60° C. in an oxygen atmosphere (1 atm) for 5 hours. A gas chromatographic analysis of products in a reaction mixture revealed that ethyl 2,4-dihydroxy-4-methylpentanoate and α-hydroxy-γ,γ-dimethyl-γ-butyrolactone were formed in yields of 1% and 43%, respectively. The conversion rate from ethyl acrylate was 53%.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07183423B1 |
| 出典データセット | uspto-grants-2007_02 |
| ORD ID | ord-ab355fd5f64c40e0969daeec5758eade |
| 出典メモ | uspto-grants-2007_02 |