HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-Methylpiperazine → 4-methyl-N-[6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]piperazine-1-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-Methylpiperazine | HCID 53167 | — |
| Reactant | Triisopropylamine | HCID 61924 | — |
| Reactant | 2,2,2-Trichloroethyl[6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]carbamate | HCID 57505735 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Product | 4-methyl-N-[6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]piperazine-1-carboxamide | HCID 57505737 | 50.8% |
Reaction Steps
Using 2,2,2-trichloroethyl [6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]carbamate (140 mg, 0.237 mmol), 1-methylpiperazine (40 μL, 0.356 mmol), N,N-diisopropylpropan-2-amine (123 μL, 0.713 mmol) and dimethyl sulfoxide (10 mL) as starting materials and in the same manner as in Example 386, the title compound (65 mg, 50%) was obtained as a pale-yellow powder.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08044049B2 |
| Source dataset | uspto-grants-2011_10 |
| ORD ID | ord-f29f29e08c604f7e9dfb3a4dbc62acf1 |
| Source note | uspto-grants-2011_10 |