Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | 6-Chloro-3-nitropyridin-2-ylamine | HCID 2724035 | — |
| Reactant | HCID 117966527 | HCID 117966527 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Product | HCID 89855035 | HCID 89855035 | 89.6% |
Reaction Steps
To a solution of 5,5-difluoro-N,N-dimethylpiperidine-3-carboxamide (700 mg, 3.05 mmol) in dimethylsulfoxide (30 mL) were added triethylamine (619.2 mg, 6.11 mmol) and 2-amino-6-chloro-3-nitropyridine (531.1 mg, 3.059 mmol). The reaction mixture was heated to 100° C. After 16 h, the mixture was cooled to room temperature and was partitioned between ethyl acetate and water (2×). The organic layer was washed with brine, dried over sodium sulfate, filtered, and concentrated in vacuo. The resulting residue was triturated with pentane to afford 1-(6-amino-5-nitropyridin-2-yl)-5,5-difluoro-N,N-dimethylpiperidine-3-carboxamide (0.9 g) as a yellow solid. MS (ES+APCI) (M+H) 330.2; LCMS retention time: 3.066 min (Method U1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09296745B2 |
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| Source dataset | uspto-grants-2016_03 |
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| ORD ID | ord-2b3a4bc72fc044b79254aa8fa8c23a5a |
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| Source note | uspto-grants-2016_03 |
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