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Pyridine → ethyl 1-(3-bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Pyridine | HCID 1049 | — |
| 反応物 | 3-Bromophenylhydrazine hydrochloride | HCID 33757 | — |
| 反応物 | Ethyl 2-acetylacetoacetate | HCID 79063 | — |
| 溶媒 | Ethanol | HCID 702 | — |
| 生成物 | ethyl 1-(3-bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate | HCID 9945064 | — |
反応手順
Similar to Example 1, equimolar amounts of 3-bromophenylhydrazine hydrochloride and 2-acetyl-3-oxo-butyric acid ethyl ester were combined in a solution of 50% pyridine in ethanol. Analysis showed that the resulting solid was the named product (m.p. 34° C.–35° C.).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07087634B2 |
| 出典データセット | uspto-grants-2006_08 |
| ORD ID | ord-96e1a28570e240d998aab5642757c5ed |
| 出典メモ | uspto-grants-2006_08 |