Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | 2-Chloro-3-methoxy-4-nitropyridine | HCID 13873110 | — |
| Reactant | Isopropyl 4-Hydroxypiperidine-1-carboxylate | HCID 16745126 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | HCID 86606452 | HCID 86606452 | 24% |
Reaction Steps
To a solution of 2-chloro-3-methoxy-4-nitro-pyridine (102.3 mg, 0.543 mmol) and 4-hydroxy-piperidine-1-carboxylic acid isopropyl ester (110 mg, 0.587 mmol) in dioxane (3 mL), sodium hydride (60% dispersion, 32 mg, 0.8 mmol) were added. After stirring at 100° C. for 1 hour, mixture was purified by HPLC to give 4-(2-chloro-3-methoxy-pyridin-4-yloxy)-piperidine-1-carboxylic acid isopropyl ester as a white solid (42.0 mg, 24%). 1HNMR (CDCl3, 400 MHz) δ 8.16-8.15 (d, J=5.4 Hz, 1H), 6.92-6.90 (d, J=5.8 Hz), 4.97-4.91 (m, 1H), 4.72-4.68 (m, 1H), 3.91 (s, 3H), 3.75-3.68 (m, 2H), 3.75-3.68 (m, 2H), 3.55 (m, 2H), 2.02-1.85 (m, 4H), 1.27-1.26 (d, J=6.2 Hz, 6H). Exact mass calculated for C15H21ClN2O4 328.12. found 329.2 (MH+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08362248B2 |
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| Source dataset | uspto-grants-2013_01 |
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| ORD ID | ord-7497e44f72904e26b16944cdeb29a51c |
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| Source note | uspto-grants-2013_01 |
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