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Ethyl p-methylbenzenesulfonate → 2,4-Dimethyl-3-ethyl-5-ethoxycarbonyl-thiazolium p-toluene-sulfonate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Ethyl p-methylbenzenesulfonate | HCID 6638 | — |
| 反応物 | Ethyl 2-chloroacetoacetate | HCID 11858 | — |
| 反応物 | Thioacetamide | HCID 2723949 | — |
| 反応物 | 2,4-Dimethyl-5-ethoxycarbonyl-thiazoline | HCID 22159051 | — |
| 生成物 | 2,4-Dimethyl-3-ethyl-5-ethoxycarbonyl-thiazolium p-toluene-sulfonate | HCID 22159045 | — |
反応手順
Ethyl 2-chloro-acetoacetate is condensed with thioacetamide to 2,4-dimethyl-5-ethoxycarbonyl-thiazoline which is reacted, analogously to Preparation Example 1 A, with ethyl p-toluenesulfonate to give the p-toluenesulfonate of the quaternary ammonium base.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04966828 |
| 出典データセット | uspto-grants-1990_10 |
| ORD ID | ord-40fc183093f744f5a69812150e3e369b |
| 出典メモ | uspto-grants-1990_10 |