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1-Ethynyl-4-(1-isopropoxycyclopropyl)-benzene → Ethyl4-[4-(1-isopropoxycyclopropyl)-phenylethynyl]-benzoate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 1-Ethynyl-4-(1-isopropoxycyclopropyl)-benzene | HCID 22568858 | — |
| 反応物 | Ethyl-4-iodo-benzoate benzoate | HCID 69887287 | — |
| 触媒 | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| 触媒 | HCID 178418476 | HCID 178418476 | — |
| 溶媒 | Triethylamine | HCID 8471 | — |
| 生成物 | Ethyl4-[4-(1-isopropoxycyclopropyl)-phenylethynyl]-benzoate | HCID 22568976 | 76% |
反応手順
Using General Procedure F; 1-ethynyl-4-(1-isopropoxycyclopropyl)-benzene (Intermediate 66, 114.0 mg, 0.57 mmol) and ethyl-4-iodo benzoate (Reagent A, 731.0 mg, 0.63 mmol) in triethylamine (8 mL) was treated with copper(I)iodide (36.0 mg, 0.19 mmol) and sparged with argon for 5 minutes. Dichlorobis(triphenylphosphine)palladium(II) (133 mg, 0.19 mmol) was added and the reaction mixture was stirred overnight at room temperature. Column chromatography (2-4% EtOAc-hexanes) afforded 151.0 mg (76%) of the title compound as an orange solid.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US06713647B2 |
| 出典データセット | uspto-grants-2004_03 |
| ORD ID | ord-40294c4f604e4e129532d1186573d3bb |
| 出典メモ | uspto-grants-2004_03 |