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8-(2,6-Dichloro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid [5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-amide → 8-(2-Fluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid [5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-amide
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 8-(2,6-Dichloro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid [5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-amide | HCID 44514746 | — |
| 反応物 | 8-(2-Fluoro-3,5-dimethoxy-phenyl)quinoxaline-5-carboxylic acid ethyl ester | HCID 66914794 | — |
| 溶媒 | Dichloromethane methanol | HCID 21226129 | — |
| 生成物 | 8-(2-Fluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid [5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-amide | HCID 59292869 | — |
反応手順
The title compound was prepared in analogy to the procedure described in Example 115 but using 8-(2-fluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl ester (Step 143.1), 5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-ylamine (Example 31; purified by silica gel column chromatography), and stirring the reaction mixture for 1 h at reflux. Title compound: ESI-MS: 517.1 [M+H]+; tR=3.37 min (System 1); TLC: Rf=0.11 (DCM/MeOH/NH3aq, 94:5:1).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08536175B2 |
| 出典データセット | uspto-grants-2013_09 |
| ORD ID | ord-0a093abf759d4d048d66100f1a3f2a3b |
| 出典メモ | uspto-grants-2013_09 |