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Methanesulfonic Acid → 5-(Diisopropoxymethyl)-2-methylpyrimidine
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Methanesulfonic Acid | HCID 6395 | — |
| 反応物 | Potassium Carbonate | HCID 11430 | — |
| 反応物 | Propane, 2,2',2''-[methylidynetris(oxy)]tris- | HCID 78191 | — |
| 反応物 | 2-Methylpyrimidine-5-carbaldehyde | HCID 3160970 | — |
| 溶媒 | Isopropanol | HCID 3776 | — |
| 生成物 | 5-(Diisopropoxymethyl)-2-methylpyrimidine | HCID 86716227 | 29.1% |
反応手順
To a mixture of 2-methylpyrimidine-5-carbaldehyde (1.0 g, 8.2 mmol) and triisopropoxymethane (2.3 g, 12 mmol) in isopropanol (15 ml) was added methanesulfonic acid (0.079 g, 0.053 ml, 0.819 mmol). The reaction was stirred at room temperature for 23 hours. Potassium carbonate (1.132 g, 8.19 mmol) was added and the mixture was filtered and the solution was concentrated in vacuo. The crude mixture was purified by flash chromatography to yield 5-(diisopropoxymethyl)-2-methylpyrimidine (536 mg, 29%)
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US09102591B2 |
| 出典データセット | uspto-grants-2015_08 |
| ORD ID | ord-4fe02f5b96f2459190c5311e99599d9b |
| 出典メモ | uspto-grants-2015_08 |