Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | phenyl 3-tert-butyl-1-methyl-1H-pyrazol-5-ylcarbamate | HCID 46196890 | — |
| Reactant | HCID 67125891 | HCID 67125891 | — |
| Catalyst | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 54760609 | HCID 54760609 | 6% |
Reaction Steps
A mixture of 3-tert-butyl-1-methyl-1H-pyrazol-5-ylcarbamate from Step 1 of this example (65 mg, 0.24 mmol), N-(4-aminophenyl)-5-(1,2,2,6,6-pentamethylpiperidin-4-yloxy)picolinamide dihydrochloride from Example 49 (90 mg, 0.20 mmol), triethylamine (92 μL, 0.66 mmol), and N,N-dimethylpyridin-4-amine (2 mg, 0.02 mmol) in THF (3 mL) was stirred at rt for 2 d. The solvent was removed under reduced pressure. The crude residue was purified by silica gel flash chromatography, eluting with 9% MeOH/1% NH3 in DCM. The resulting compound was then purified by reverse phase HPLC to afford N-(4-(3-(3-tert-butyl-1-methyl-1H-pyrazol-5-yl)ureido)phenyl)-5-(1,2,2,6,6-pentamethylpiperidin-4-yloxy)picolinamide (7 mg, 6% yield). LCMS (ESI) m/z 562 (M+H)+; 1H NMR (300 MHz, DMSO-d6) δ 10.32 (s, 1H), 9.76 (br s, 1H), 9.47 (br s, 1H), 8.35-8.34 (d, 1H), 8.11-8.08 (d, 1H), 7.78-7.75 (d, 2H), 7.63-7.59 (d, 1H), 7.47-7.44 (d, 2H), 6.02 (s, 1H), 4.87 (t, 1H), 3.6 (s, 3H), 2.2 (s, 3H), 2.04-1.99 (d, 2H), 1.49-1.42 (t, 2H), 1.21 (s, 9H), 1.13-1.12 (m, 12H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09296722B2 |
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| Source dataset | uspto-grants-2016_03 |
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| ORD ID | ord-097b50e8e5d848dba190d374da57397b |
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| Source note | uspto-grants-2016_03 |
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