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(E)-1-(3,4-dimethoxyphenyl)-3-(dimethylamino)-2-propen-1-one → Ethyl 7-(3,4-dimethoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | (E)-1-(3,4-dimethoxyphenyl)-3-(dimethylamino)-2-propen-1-one | HCID 1481361 | — |
| 反応物 | HCID 178469928 | HCID 178469928 | — |
| 溶媒 | Acetic Acid | HCID 176 | — |
| 生成物 | Ethyl 7-(3,4-dimethoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate | HCID 11393271 | — |
反応手順
A mixture of 2.35 g. of 3-dimethylamino-3',4'-dimethoxyacrylophenone and ethyl 3-aminopyrazole-4-carboxylate in 25 ml. of glacial acetic acid is refluxed for 20 hours and worked up to give the product, m.p. 148°-149° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US04236005 |
| 出典データセット | uspto-grants-1980_11 |
| ORD ID | ord-67d4d76690ca4a62a23807e6570034df |
| 出典メモ | uspto-grants-1980_11 |