関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|
| 反応物 | Acetic Acid | HCID 176 | — |
| 反応物 | (4-Nitrophenyl)hydrazine | HCID 3310889 | — |
| 反応物 | N-[(Dimethylamino)methylene]pyrazine-2-carboxamide | HCID 16727655 | — |
| 溶媒 | 1,4-Dioxane | HCID 31275 | — |
| 生成物 | [1-(p-Nitrophenyl)-1H-1,2,4-triazol-5-yl]pyrazine | HCID 12850299 | — |
反応手順
10.0 g. of portion of N-(dimethylaminomethylene)-pyrazine carboxamide is added to a mixture of 10.3 g. of 4-nitrophenylhydrazine, 200 ml. of acetic acid and 50 ml. of p-dioxane. The mixture is heated at 90° C. for 5 hours and evaporated to dryness in vacuo. The residue is recrystallized from ethanol giving 9.0 g. of the desired product as tan crystals, mp. 188°-189° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| 特許番号 | US04259504 |
|---|
| 出典データセット | uspto-grants-1981_03 |
|---|
| ORD ID | ord-bf6a7bfd2ff04a65b4f96bb5fa6e9a17 |
|---|
| 出典メモ | uspto-grants-1981_03 |
|---|
