HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetrahydrofuran → HCID 57505475, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | Oxalyl chloride | HCID 65578 | — |
| Reactant | HCID 55301421 | HCID 55301421 | — |
| Reactant | N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide | HCID 57505476 | — |
| Catalyst | Dimethylformamide | HCID 6228 | — |
| Solvent | Dimethylacetamide | HCID 31374 | — |
| Product | HCID 57505475 | HCID 57505475 | 35% |
Reaction Steps
In the same manner as in Example 259 and using 4-methyl-2-oxo-2,3-dihydro-1,3-oxazole-5-carboxylic acid (159 mg, 1.1 mmol), tetrahydrofuran (5 mL), N,N-dimethylformamide (1 drop), oxalyl chloride (382 μL, 4.44 mmol), N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (300 mg, 0.93 mmol) and N,N-dimethylacetamide (7 mL) as starting materials, the title compound (145 mg, 35%) was obtained as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08273741B2 |
| Source dataset | uspto-grants-2012_09 |
| ORD ID | ord-c9d3987f1a25435d84b474283243a165 |
| Source note | uspto-grants-2012_09 |