化工社化工社 化学情報印刷レポート · 研究参考用
Ethyl 2-Formylpropionate → 4-Methyl-1-(3,4-dichlorobenzyl)-pyrazol-5-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Ethyl 2-Formylpropionate | HCID 10898741 | — |
| 反応物 | HCID 20495842 | HCID 20495842 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | 4-Methyl-1-(3,4-dichlorobenzyl)-pyrazol-5-one | HCID 23334400 | — |
反応手順
10.9 g of 3,4-dichlorobenzylhydrazine were added dropwise to a solution of 7.5 g of α-formylpropionic acid ethyl ester in 50 ml of ethanol. After stirring overnight at room temperature, the solvent was distilled off in vacuo and the solid residue was recrystallized from ethanol.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | USRE030420 |
| 出典データセット | uspto-grants-1980_10 |
| ORD ID | ord-508d41bc7d304441a576d4d49e93ca88 |
| 出典メモ | uspto-grants-1980_10 |