化工社化工社 化学情報印刷レポート · 研究参考用
3-Dimethylamino-1-thien-3-ylpropen-1-one → Ethyl 7-(3-thienyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 3-Dimethylamino-1-thien-3-ylpropen-1-one | HCID 596466 | — |
| 反応物 | HCID 178469928 | HCID 178469928 | — |
| 溶媒 | Acetic Acid | HCID 176 | — |
| 生成物 | Ethyl 7-(3-thienyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate | HCID 11818144 | — |
反応手順
As for Example 2, 3.10 g. of 3-amino-4-carboethoxypyrazole is heated at reflux temperature for 10 hours with 3.62 g. of 3-dimethylamino-1-(3-thienyl)-2-propen-1-one in 25 ml. of glacial acetic acid to give 4.40 g. of the product of the example as tan crystals, m.p. 129°-130° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04281000 |
| 出典データセット | uspto-grants-1981_07 |
| ORD ID | ord-a768b290b1274cb8910d94774ff74d5f |
| 出典メモ | uspto-grants-1981_07 |