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Sodium Cyanide → 5-Bromopyrimidine-2-carbonitrile
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Sodium Cyanide | HCID 8929 | — |
| 反応物 | Dabco | HCID 9237 | — |
| 反応物 | 5-Bromo-2-chloropyrimidine | HCID 606665 | — |
| 溶媒 | Dimethyl Sulfoxide | HCID 679 | — |
| 溶媒 | Water | HCID 962 | — |
| 生成物 | 5-Bromopyrimidine-2-carbonitrile | HCID 686546 | 345.1% |
反応手順
To a solution of NaCN (0.849 g, 17.32 mmol) and DABCO (0.390 g, 3.48 mmol) in a mixture of DMSO (4 ml) and H2O (9 ml) was added a solution of 5-bromo-2-chloropyrimidine (3.05 g, 15.75 mmol) in DMSO (9 ml). The solution was stirred at room temperature overnight, and then diluted with water, and extracted with EtOAc. The combined organic layer was dried over anhydrous Na2SO4 and concentrated to give 5-bromopyrimidine-2-carbonitrile (2.327 g, 12.01 mmol, 76% yield, 1H NMR (CDCl3 500 MHz): δ 8.94 (s, 2H)).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US09108938B2 |
| 出典データセット | uspto-grants-2015_08 |
| ORD ID | ord-fd48237f294746c798ba3a3ce2577919 |
| 出典メモ | uspto-grants-2015_08 |