HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-Hydroxyisovaleric acid → N-[5-({2-[(3-hydroxy-3-methylbutanoyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-Hydroxyisovaleric acid | HCID 69362 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 9886157 | — |
| Reactant | N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-methylphenyl)-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochloride | HCID 57505635 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | N-[5-({2-[(3-hydroxy-3-methylbutanoyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-methylphenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide | HCID 57505650 | 66% |
Reaction Steps
In the same manner as in Example 278 and using 3-hydroxy-3-methylbutanoic acid (74 mg, 0.63 mmol), N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-methylphenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochloride (200 mg, 0.48 mmol), O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (240 mg, 0.63 mmol), N,N-diisopropylethylamine (190 mg, 1.5 mmol) and N,N-dimethylformamide (7 mL) as starting materials, the title compound (150 mg, 66%) was obtained as a pale-yellow solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08034812B2 |
| Source dataset | uspto-grants-2011_10 |
| ORD ID | ord-d1119cbaf02c4c768a831546b0e4aee7 |
| Source note | uspto-grants-2011_10 |