HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dimethylformamide → 1-benzyl-N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1H-pyrrole-3-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dimethylformamide | HCID 6228 | — |
| Reactant | Oxalyl chloride | HCID 65578 | — |
| Reactant | 1-benzyl-1H-pyrrole-3-carboxylic acid | HCID 49788389 | — |
| Reactant | N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]-2-methylcyclopropanecarboxamide | HCID 57505466 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Dimethylacetamide | HCID 31374 | — |
| Product | 1-benzyl-N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1H-pyrrole-3-carboxamide | HCID 57505465 | 24.3% |
Reaction Steps
Using 1-benzyl-1H-pyrrole-3-carboxylic acid (276 mg, 1.37 mmol), tetrahydrofuran (3.0 mL), N,N-dimethylformamide (20 μL, 0.26 mmol), oxalyl chloride (120 μL, 1.37 mmol), N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]-2-methylcyclopropanecarboxamide (300 mg, 0.92 mmol) and N,N-dimethylacetamide (6.0 mL), and in the same manner as in Example 249, the title compound (114 mg, 24%) was obtained as a white powder.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08034812B2 |
| Source dataset | uspto-grants-2011_10 |
| ORD ID | ord-0155b845bda24d7ebad3dd6bc80315cc |
| Source note | uspto-grants-2011_10 |