HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-(Trifluoromethyl)benzoic acid → Ethyl 6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-(Trifluoromethyl)benzoic acid | HCID 9963 | — |
| Reactant | 1-Hydroxybenzotriazole | HCID 75771 | — |
| Reactant | 1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride | HCID 2723939 | — |
| Reactant | Ethyl 6-(3-aminophenoxy)imidazo[1,2-b]pyridazine-2-carboxylate | HCID 57385786 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | Ethyl 6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylate | HCID 57385787 | 90.1% |
Reaction Steps
Using ethyl 6-(3-aminophenoxy)imidazo[1,2-b]pyridazine-2-carboxylate (350 mg, 1.17 mmol), 3-(trifluoromethyl)benzoic acid (342 mg, 1.80 mmol), 1-hydroxybenzotriazole (243 mg, 1.80 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (345 mg, 1.80 mmol) and N,N-dimethylformamide (5.0 mL) as starting materials and in the same manner as in Example 106, the title compound (496 mg, 90%) was obtained as a white powder.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08273741B2 |
| Source dataset | uspto-grants-2012_09 |
| ORD ID | ord-423957a7a95a4dc1a2987c3c1703c421 |
| Source note | uspto-grants-2012_09 |