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HCID 178500928、化合物 → Methyl 1,6-dihydro-4-hydroxy-6-oxo-1-phenyl-3-pyridazinecarboxylate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | HCID 178500928 | HCID 178500928 | — |
| 溶媒 | 1,2-Dichlorobenzene | HCID 7239 | — |
| 生成物 | Methyl 1,6-dihydro-4-hydroxy-6-oxo-1-phenyl-3-pyridazinecarboxylate | HCID 54686161 | 99.1% |
反応手順
A mixture of 3-oxo-2-(phenylhydrazono)-pentanedioic acid dimethyl ester (4.38 g, 15.7 mmol) in 1,2-dichlorobenzene (15 mL) was refluxed. After 20 hours, the reaction mixture was concentrated under reduced pressure to give 3.83 g (99%) of the desired product.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08101611B2 |
| 出典データセット | uspto-grants-2012_01 |
| ORD ID | ord-1d0c58719f0a499ba202e5adc8b7ed9a |
| 出典メモ | uspto-grants-2012_01 |