Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Methyl 2-chloro-3-oxopentanoate | HCID 545096 | — |
| Reactant | HCID 22024525 | HCID 22024525 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 68421251 | HCID 68421251 | — |
Reaction Steps
Methyl 2-chloro-3-oxopentanoate (7 mL) was added to a solution of the resulting 4-(2,4-dimethylphenyl)-6-methyl-3-pyridazinamine in N,N-dimethylformamide (60 mL), and the mixture was heated at 140° C. for 6 hours. Water was added thereto, which was extracted with ethyl acetate. The organic layer was washed with an aqueous saturated sodium bicarbonate solution and brine, dried-over anhydrous magnesium sulfate and evaporated, to give 8-(2,4-dimethylphenyl)-2-ethyl-6-methylimidazo[1,2-b]pyridazine-3-carboxylic acid methyl ester as a crude product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US07772249B2 |
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| Source dataset | uspto-grants-2010_08 |
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| ORD ID | ord-8fbeb370139b46eea405eee2e0879515 |
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| Source note | uspto-grants-2010_08 |
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