化工社化工社 化学情報印刷レポート · 研究参考用
Bromine → 5-Nitro-2-thenoic acid
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Bromine | HCID 24408 | — |
| 反応物 | 5-Nitrothiophene-2-carboxaldehyde | HCID 78281 | — |
| 反応物 | Sodium Diacetate | HCID 23662384 | — |
| 生成物 | 5-Nitro-2-thenoic acid | HCID 80591 | 98.5% |
反応手順
As an example, a trial performed with 5-nitro-2-formyl-thiophene and bromine in a medium maintained at pH=4.6 by means of a acetic acid/sodium acetate mixture provided crude 5-nitro-2-thenoic acid in a yield of 98.5% or the pure acid in a yield of 81%.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04220793 |
| 出典データセット | uspto-grants-1980_09 |
| ORD ID | ord-42320d16ee884924a0f49a03540d26f2 |
| 出典メモ | uspto-grants-1980_09 |