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Potassium Phosphate, Tribasic → 3-(4-(2-chloropyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopropylpropanenitrile
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Potassium Phosphate, Tribasic | HCID 62657 | — |
| 反応物 | 2,4-Dichloropyrimidine | HCID 77531 | — |
| 反応物 | 3-cyclopropyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile | HCID 67458056 | — |
| 触媒 | HCID 178418397 | HCID 178418397 | — |
| 溶媒 | Water | HCID 962 | — |
| 溶媒 | Ethyl Acetate | HCID 8857 | — |
| 溶媒 | 1,4-Dioxane | HCID 31275 | — |
| 生成物 | 3-(4-(2-chloropyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopropylpropanenitrile | HCID 86637293 | — |
反応条件
| 温度 | 100 °C |
|---|
反応手順
A mixture of 2,4-dichloropyrimidine (2.8 g, 0.019 mol), 3-cyclopropyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propanenitrile (4.50 g, 0.0157 mol), tetrakis(triphenylphosphine)palladium (1.0 g, 0.9 mmol), and potassium phosphate (0.1 g, 0.047 mol) in 1,4-dioxane (50 mL) and water (5 mL) was heated at 100° C. overnight. After cooling to room temperature, the mixture was diluted with EtOAc, washed with water, brine, dried over MgSO4, and concentrated. The residue was purified on silica gel, eluting with 0 to 100% EtOAc in hexanes, to give the desired product as racemic mixture (3.08 g, 71.81%). LCMS (M+H) 274.3.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08309718B2 |
| 出典データセット | uspto-grants-2012_11 |
| ORD ID | ord-79ac9d46908542dca8074d8397247aa4 |
| 出典メモ | uspto-grants-2012_11 |