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Hydrazine hydrate (1:1) → 5-Bromopyridine-2-carbohydrazide
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Hydrazine hydrate (1:1) | HCID 24654 | — |
| 反応物 | Methyl 5-bromopyridine-2-carboxylate | HCID 7016458 | — |
| 溶媒 | Methanol | HCID 887 | — |
| 生成物 | 5-Bromopyridine-2-carbohydrazide | HCID 23467938 | — |
反応手順
5-Bromo-pyridine-2-carboxylic acid methyl ester (J. Org. Chem., 2001, 66(2), 605-608, compound 4) (18.10 g, 83 mmol) and hydrazine monohydrate (12.5 mL, 250 mmol) were dissolved in methanol (400 mL) and the reaction mixture heated to reflux for 48 hours. The reaction mixture was then filtered and the precipitate collected dried in vacuo to yield the title product, 15.40 g.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07875615B2 |
| 出典データセット | uspto-grants-2011_01 |
| ORD ID | ord-cabaad21c61a4c72b741a6c4de69f450 |
| 出典メモ | uspto-grants-2011_01 |