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2-Aminothiophenol → 5-(2H-1,4-benzothiazin-3-yl)-3-nitropyrocatechol
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2-Aminothiophenol | HCID 8713 | — |
| 反応物 | 2-Bromo-1-(3,4-dihydroxy-5-nitro-phenyl)-ethanone | HCID 21845596 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | 5-(2H-1,4-benzothiazin-3-yl)-3-nitropyrocatechol | HCID 135665321 | — |
反応手順
A mixture of 2.78 g of 2-bromo-3',4'-dihydroxy-5'-nitroacetophenone, 1.51 g of 2-aminothiophenol and 50 ml of ethanol is heated to boiling under reflux for 1 hour. The reaction mixture is then cooled to room temperature, whereupon the crystals are removed by filtration under suction. There is obtained 5-(2H-1,4-benzothiazin-3-yl)-3-nitropyrocatechol of m.p. 302'-304° (from N,N-dimethylformamide/methanol).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05389653 |
| 出典データセット | uspto-grants-1995_02 |
| ORD ID | ord-02a3eab13ea74001bf3f545a1f30be11 |
| 出典メモ | uspto-grants-1995_02 |