Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | Ammonium Chloride | HCID 25517 | — |
| Reactant | HCID 117667823 | HCID 117667823 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 117667526 | HCID 117667526 | 51.7% |
Reaction Steps
6-(5-{[(Tetrahydro-pyran-4-carbonyl)-amino]-methyl}-pyridin-3-yl)-3,4-dihydro-2H-[1,8]naphthyridine-1-carboxylic acid tert-butyl ester (132 mg, 0.29 mmol) is dissolved in DMF (4.0 mL) and cooled down to 0° C. Sodium hydride 60% in mineral oil (14 mg, 0.35 mmol) is added and the mixture is stirred for 10 min. Then iodomethane (0.036 mL, 0.58 mmol) is added and the reaction mixture is warmed up to room temperature for 2 hrs. Saturated NH4Cl aqueous solution (2.0 mL) is added along with water (10 mL) and EtOAc (15 mL). The mixture is stirred for 10 min, the aqueous layer is separated and extracted with EtOAc (2×10 mL). The organic layers are combined and concentrated to give the crude product. Purification by flash column chromatography affords 70 mg of 6-(5-{[methyl-(tetrahydro-pyran-4-carbonyl)-amino]-methyl}-pyridin-3-yl)-3,4-dihydro-2H-[1,8]naphthyridine-1-carboxylic acid tert-butyl ester.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09181272B2 |
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| Source dataset | uspto-grants-2015_11 |
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| ORD ID | ord-e81a6e7de2074399b76f3c83998d7afb |
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| Source note | uspto-grants-2015_11 |
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