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2-Butoxyethanol → 2-Butoxyethyl Levulinate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2-Butoxyethanol | HCID 8133 | — |
| 反応物 | Levulinic Acid | HCID 11579 | — |
| 反応物 | Dibutyltin dioctanoate | HCID 16683953 | — |
| 溶媒 | O-Xylene | HCID 7237 | — |
| 生成物 | 2-Butoxyethyl Levulinate | HCID 21325643 | — |
反応手順
2-Butoxyethanol (Butyl Cellosolve) 354g (3 mol), 232g (2mol) levulinic acid and 1.5g dibutyl tin dioctoate were heated with a xylene azeotrope for 24 hours 151°-177° to AN 2.3 while collecting 42g water. Product was washed with sat. NaHCO3 and water, dried with anhy. MgSO4 and distilled. Ester product was collected in fr 2 and 3, 120°-131° 1 mm. Yield was 349g, 81%, 96% ester product by gc.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04085081 |
| 出典データセット | uspto-grants-1978_04 |
| ORD ID | ord-427e9db14921449a8f9e69504bb06cab |
| 出典メモ | uspto-grants-1978_04 |