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Piperidine → 6-Bromo-7-methoxy-3,4-dihydroquinazolin-4-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Piperidine | HCID 8082 | — |
| 反応物 | 1,3,5-Triazine | HCID 9262 | — |
| 反応物 | 2-Amino-5-bromo-4-methoxybenzoic acid | HCID 19701926 | — |
| 溶媒 | Methanol | HCID 887 | — |
| 生成物 | 6-Bromo-7-methoxy-3,4-dihydroquinazolin-4-one | HCID 135742362 | 63% |
反応手順
2-Amino-5-bromo-4-methoxybenzoic acid (1.56 g, 6.34 mmol) is dissolved in methanol (15 ml), treated with piperidine (0.063 ml, 0.63 mmol) and 1,3,5-triazine (772 mg, 9.5 mmol) and refluxed for one hour. After cooling to room temperature, the resulting crystals are filtered off with suction and washed with methanol. The desired product is obtained in 63% yield (1.01 g).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07863283B2 |
| 出典データセット | uspto-grants-2011_01 |
| ORD ID | ord-1a5c152eb7c94aef8e7db017f347b61c |
| 出典メモ | uspto-grants-2011_01 |