Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | HCID 86720922 | HCID 86720922 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 86720921 | HCID 86720921 | 32% |
Reaction Steps
To (1-methyl-4-(3-nitropyridin-4-yl)piperazin-2-yl)methanol (prepared according to methods similar to the one depicted in Step 1 of Preparation N-1) (250 mg, 0.9910 mmol) in DMF (2 mL) at 0° C. was added NaH (59.43 mg, 1.486 mmol). The reaction mixture was stirred for 10 min before MeI (281.3 mg, 123.40 μL, 1.982 mmol) was added dropwise. The reaction mixture was allowed to warm to RT and was stirred for 2 hours. The reaction mixture was loaded on a pre-washed SCX column, rinsed with MeOH and the product was released with methanolic ammonia. The ammonia extracts were concentrated under reduced pressure. The residue was purified by column chromatography on silica, eluting with 1-15% MeOH:DCM yielding 2-(methoxymethyl)-1-methyl-4-(3-nitropyridin-4-yl)piperazine (84 mg, 32%). MS (ES+) 237.1.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09340546B2 |
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| Source dataset | uspto-grants-2016_05 |
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| ORD ID | ord-17ae51739f504601851731635684faa5 |
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| Source note | uspto-grants-2016_05 |
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