化工社化工社 化学情報印刷レポート · 研究参考用
Ethylene Glycol → alpha-(2-Methyl-1,3-dioxolan-2-yl)-acetoxyethyl methacrylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Ethylene Glycol | HCID 174 | — |
| 反応物 | 2,2'-Methylenebis(4,6-di-tert-butylphenol) | HCID 84391 | — |
| 反応物 | 2-(Acetoacetoxy)ethyl methacrylate | HCID 88855 | — |
| 反応物 | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| 溶媒 | Benzene | HCID 241 | — |
| 生成物 | alpha-(2-Methyl-1,3-dioxolan-2-yl)-acetoxyethyl methacrylate | HCID 57027692 | — |
反応手順
21.4 g (0.1 mol) of 2-acetoacetoxyethyl methacrylate, 18.62 g (0.3 mol) of ethylene glycol and 0.19 g (1 mmol) of p-toluenesulfonic acid monohydrate (1 mol % of p-TsOH) are dissolved in 200 ml of benzene and boiled under reflux under a water separator. 1.7 g (5 mol %) of 2,2,4,6-Ralox® [2.2'-methylene-bis-(4,6-di-tert-butylphenol), a commercial product from Raschig GmbH, Germany] are added as a polymerization inhibitor.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05059698 |
| 出典データセット | uspto-grants-1991_10 |
| ORD ID | ord-f0524137bb94467e8a29529c231a5f21 |
| 出典メモ | uspto-grants-1991_10 |