HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetrahydrofuran → N-(3-{[2-(acetylamino)imidazo[1,2-b]pyridazin-6-yl]oxy}phenyl)-3-(1-cyano-1-methylethyl)benzamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | Oxalyl chloride | HCID 65578 | — |
| Reactant | 3-(2-Cyanopropan-2-yl)benzoic acid | HCID 57149538 | — |
| Reactant | N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]acetamide | HCID 57441053 | — |
| Catalyst | Dimethylformamide | HCID 6228 | — |
| Solvent | N-methyl-2-pyrrolidone | HCID 13387 | — |
| Product | N-(3-{[2-(acetylamino)imidazo[1,2-b]pyridazin-6-yl]oxy}phenyl)-3-(1-cyano-1-methylethyl)benzamide | HCID 57505695 | 69% |
Reaction Steps
Using 3-(1-cyano-1-methylethyl)benzoic acid (160 mg, 0.85 mmol), oxalyl chloride (90 μL, 1.1 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (4.0 mL), N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]acetamide (200 mg, 0.71 mmol) and N-methylpyrrolidone (5.0 mL) as starting materials and in the same manner as in Example 335, the title compound (220 mg, 69%) 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-a411241e291e40d590d2b09887e0d929 |
| Source note | uspto-grants-2011_10 |