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3,4-dihydro-6-hydroxy-3-(1-phenylmethyl-4-piperidinyl)-2(1H)-quinazolinone → 6-Hydroxy-3-piperidin-4-yl-3,4-dihydro-1H-quinazolin-2-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 3,4-dihydro-6-hydroxy-3-(1-phenylmethyl-4-piperidinyl)-2(1H)-quinazolinone | HCID 17958692 | — |
| 触媒 | Palladium | HCID 23938 | — |
| 溶媒 | Methanol | HCID 887 | — |
| 生成物 | 6-Hydroxy-3-piperidin-4-yl-3,4-dihydro-1H-quinazolin-2-one | HCID 21102207 | 81% |
反応手順
3-(1-Benzyl-piperidin-4-yl)-6-hydroxy-3,4-dihydro-1H-quinazolin-2-one (100 mg, 0.3 mmol) in methanol (5 mL) was flushed with nitrogen, and treated with palladium on charcoal (10%, 10 mg). The flask was flushed with hydrogen and allowed to stir under an atmosphere of hydrogen overnight. The reaction was flushed with nitrogen, filtered through celite, and concentrated. Column chromatography gave 60 mg (81%) of the desired material. LC/MS: tR=0.75 min, 248.22 (MH)+.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07754732B2 |
| 出典データセット | uspto-grants-2010_07 |
| ORD ID | ord-645f24b45b0d45339a88e1c863d5f68c |
| 出典メモ | uspto-grants-2010_07 |