HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetrahydrofuran → HCID 57505651, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | Oxalyl chloride | HCID 65578 | — |
| Reactant | 4-Methyl-1,3-oxazole-5-carboxylic acid | HCID 292311 | — |
| Reactant | N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide | HCID 57505446 | — |
| Catalyst | Dimethylformamide | HCID 6228 | — |
| Solvent | Dimethylacetamide | HCID 31374 | — |
| Product | HCID 57505651 | HCID 57505651 | 84.7% |
Reaction Steps
In the same manner as in Example 259 and using 4-methyl-1,3-oxazole-5-carboxylic acid (76 mg, 0.59 mmol), tetrahydrofuran (10 mL), N,N-dimethylformamide (1 drop), oxalyl chloride (61 μL, 0.71 mmol), N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (150 mg, 0.46 mmol) and N,N-dimethylacetamide (7 mL) as starting material, the title compound (170 mg, 84%) was obtained as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08034812B2 |
| Source dataset | uspto-grants-2011_10 |
| ORD ID | ord-7a40aba6baf044d6a62ae9f268165803 |
| Source note | uspto-grants-2011_10 |