Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Piperidin-4-ol | HCID 79341 | — |
| Reactant | Methyl 6-chloropyridine-3-carboxylate | HCID 254249 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 66906019 | HCID 66906019 | 86.1% |
Reaction Steps
To a solution of methyl 6-chloronicotinate (890 mg, 1.00 equiv; 5.03 mmol) in dry DMF (30 mL) is added 4-hydroxypiperidine (1.5 equiv; 7.55 mmol; 778.95 mg) and triethylamine (1.05 mL; 1.5 equiv; 7.55 mmol). The system is flushed with N2 and heated at 80° C. for 4.5 h. The reaction is allowed to reach room temperature and is diluted with water/EtOAc. The aqueous layer is extracted with ethyl acetate (3×). The organic layer is washed with brine, dried over MgSO4, filtered, and concentrated under reduced pressure. The crude residue is purified via chromatography eluting with hexane/EtOAc 2:1 to 1:2 to yield an orange solid. The solid is triturated with hexane/EtOAc 4:1 and filtered to provide the title compound (1.023 g, 86%) as a white solid. ES/MS m/z 237.0 (M+1)
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08153624B2 |
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| Source dataset | uspto-grants-2012_04 |
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| ORD ID | ord-3a30272c036c4867b45d41ca051aedd3 |
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| Source note | uspto-grants-2012_04 |
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