化工社化工社 化学情報印刷レポート · 研究参考用
HRID 12296作成日:2026年10月23日
Potassium Phosphate, Tribasic → 6-(2-Cyclopropylpyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one
https://huagongshe.com/ja/reaction/12296
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|
| 反応物 | Potassium Phosphate, Tribasic | HCID 62657 | — |
| 反応物 | Cyclopropylboronic acid | HCID 2760897 | — |
| 反応物 | 6-(2-chloropyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one | HCID 86611610 | — |
| 触媒 | Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+) | HCID 178418228 | — |
| 溶媒 | Water | HCID 962 | — |
| 溶媒 | Toluene | HCID 1140 | — |
| 生成物 | 6-(2-Cyclopropylpyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one | HCID 68679877 | — |
反応手順
100 mg of 6-(2-chloropyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one, 29.2 mg of cyclopropylboronic acid and 138 mg of potassium phosphate are dissolved in 1 ml of toluene and 0.05 ml of water and, under an argon atmosphere, 17 mg of 1,1′-bis(diphenylphosphino)ferrocenepalladium(II) chloride (1:1 complex with CH2Cl2) are added. The mixture is stirred at 100° C. for 9 h. After cooling to room temperature, it is diluted with 15 ml of water and extracted several times with ethyl acetate, and the combined organic phases are extracted once more with saturated sodium chloride solution and dried using a Varian Chem Elut CE 1005 cartridge. The crude product is purified by RP HPLC (acetonitrile (+0.05% HCOOH)/water (+0.05% HCOOH)).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| 特許番号 | US07727989B2 |
|---|
| 出典データセット | uspto-grants-2010_06 |
|---|
| ORD ID | ord-75bad0bdb18843a0926daf2d162608bf |
|---|
| 出典メモ | uspto-grants-2010_06 |
|---|