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Trifluoroacetic acid → 4-(2-Propenyl)-1-methyl-5-pyrazole sulfonamide
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Trifluoroacetic acid | HCID 6422 | — |
| 反応物 | 4-(1-Hydroxypropyl)-1-methyl-5-tert-butylpyrazolesulfonamide | HCID 21243739 | — |
| 生成物 | 4-(2-Propenyl)-1-methyl-5-pyrazole sulfonamide | HCID 21243741 | — |
反応手順
The alcohol (3.0 g) from Example 3 was stirred in 25 ml of trifluoroacetic acid at 68° C. for 30 minutes. The solution was allowed to cool to room temperature, and the volatile components were removed in vacuo to afford 510 mg of the desired sulfonamide, m.p. 157°-161° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04822403 |
| 出典データセット | uspto-grants-1989_04 |
| ORD ID | ord-87a32f0f385641ae8075ac023a4c575f |
| 出典メモ | uspto-grants-1989_04 |