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Methanol → 1-(2-Methoxypiperidin-1-yl)ethan-1-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Methanol | HCID 887 | — |
| 反応物 | 1-Acetylpiperidine | HCID 12058 | — |
| 触媒 | Tetrapropylammonium hexafluorophosphate | HCID 82922 | — |
| 生成物 | 1-(2-Methoxypiperidin-1-yl)ethan-1-one | HCID 12680085 | 80.5% |
反応手順
In the same manner as indicated in Example 6 there are electrolyzed 21.6 g of N-acetylpiperidine and 54.4 g of methanol in the presence of 0.56 g of tetra-n-propylammonium hexafluorophosphate as conducting salt. After throughput of 2.0 Faraday per mol of N-acetylpiperidine the current is switched off. The calculated mean cell voltage is 28.7 volts. Work-up of the electrolysis solution by molecular distillation gives 21.5 g of 1-acetyl-2-methoxypiperidine, which corresponds to a product yield of 80.5% and a current efficiency of 80.5%.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04149941 |
| 出典データセット | uspto-grants-1979_04 |
| ORD ID | ord-d4e4ddb4211e4005a7b534434561d730 |
| 出典メモ | uspto-grants-1979_04 |