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Hydroxyamine hydrochloride → (+/-)-8-Methyl-5-(4-nitrophenyl)-8,9-dihydro-7H-1,3-dioxolo[4,5-h][2,3]benzodiazepine-7-carbamidoxime
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Hydroxyamine hydrochloride | HCID 443297 | — |
| 反応物 | Sodium Acetate | HCID 517045 | — |
| 反応物 | (+/-)-8-Methyl-5-(4-nitrophenyl)-8,9-dihydro-7H-1,3-dioxolo[4,5-h][2,3]benzodiazepine-7-carbonitrile | HCID 12137416 | — |
| 溶媒 | 2-Methoxyethanol | HCID 8019 | — |
| 生成物 | (+/-)-8-Methyl-5-(4-nitrophenyl)-8,9-dihydro-7H-1,3-dioxolo[4,5-h][2,3]benzodiazepine-7-carbamidoxime | HCID 86593811 | 100% |
反応手順
A mixture of 2.80 g (8.0 mmol) of compound XXIII, 30 ml of 2-methoxyethanol, 0.84 g (10 mmol) of sodium acetate and 0.60 g (8.8 mmol) of hydroxylamine hydrochloride was stirred for 0.5 h, then concentrated in vacuum. The residue was treated with water, the precipitated crystals were filtered off and washed with water to yield 3.05 g (100%) of the title compound, Mp.: 138-145° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US06858605B2 |
| 出典データセット | uspto-grants-2005_02 |
| ORD ID | ord-efa50049c5f44d9abee0181d07a2c0d7 |
| 出典メモ | uspto-grants-2005_02 |