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Dimethylformamide → N-[2-chloro-5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-1-ethyl-3-methyl-1H-pyrazole-4-carboxamide
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Dimethylformamide | HCID 6228 | — |
| 反応物 | Oxalyl chloride | HCID 65578 | — |
| 反応物 | 1-Ethyl-3-methyl-1H-pyrazole-4-carboxylic acid | HCID 1075881 | — |
| 反応物 | N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide | HCID 57505452 | — |
| 溶媒 | Tetrahydrofuran | HCID 8028 | — |
| 溶媒 | Dimethylacetamide | HCID 31374 | — |
| 生成物 | N-[2-chloro-5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-1-ethyl-3-methyl-1H-pyrazole-4-carboxamide | HCID 24767989 | 33% |
反応手順
Using 1-ethyl-3-methyl-1H-pyrazole-4-carboxylic acid (188 mg, 1.22 mmol), tetrahydrofuran (4.5 mL), N,N-dimethylformamide (30 μL, 0.39 mmol), oxalyl chloride (107 μL, 1.22 mmol), N-[6-(3-amino-4-chlorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (300 mg, 0.87 mmol) and N,N-dimethylacetamide (6.0 mL), and in the same manner as in Example 249, the title compound (135 mg, 33%) was obtained as a white powder. melting point 200° C.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08034812B2 |
| 出典データセット | uspto-grants-2011_10 |
| ORD ID | ord-46273d3ec6a845e9af2e14111f6d7608 |
| 出典メモ | uspto-grants-2011_10 |