化工社化工社 化学情報印刷レポート · 研究参考用
p-Toluenesulfonic acid → alpha-(5-Butyl-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 | p-Toluenesulfonic acid | HCID 6101 | — |
| 反応物 | 2-(Acetoacetoxy)ethyl methacrylate | HCID 88855 | — |
| 反応物 | 1,2-Hexanediol | HCID 94335 | — |
| 溶媒 | Benzene | HCID 241 | — |
| 生成物 | alpha-(5-Butyl-2-methyl-1,3-dioxolan-2-yl)-acetoxyethyl methacrylate | HCID 57284656 | 77% |
反応手順
As described in Example 1, the above compound is prepared from 2-acetoacetoxyethyl methacrylate (42.8 g) and 1,2-hexanediol (26 g) in benzene (200 ml) with p-TsOH catalysis under a water separator. Yield: 77% of theory, boiling point=130°-136° C./0.02 mbar.
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-827289b2880143b596cfa2fa5ade356f |
| 出典メモ | uspto-grants-1991_10 |