Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | HCID 86592534 | HCID 86592534 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 86592533 | HCID 86592533 | 22.2% |
Reaction Steps
To a solution of 1-allyl 3-methyl (2R)-2-(hydroxymethyl)-2,5-dihydro-1H-pyrrole-1,3-dicarboxylate (234 mg, 0.97 mmol) in DMF (4.7 ml) was added at 0° C. sodium hydride (60% suspension in oil, 39 mg, 0.98 mmol) and the mixture was stirred for 30 minutes. Then thereto was added at 0° C. methyl iodide (0.95 ml, 9.7 mmol) and the mixture was stirred at room temperature for 1 hour. After cooled to 0° C., the reaction mixture was poured into ice water and extracted three times with ethyl acetate. The organic layer was washed with water and then a saturated aqueous sodium chloride solution and dried over anhydrous sodium sulfate. The solvent was removed in vacuo and the residue was purified with silica gel chromatography to give 1-allyl 3-methyl (2R)-2-(methoxymethyl)-2,5-dihydro-1H-pyrrole-1,3-dicarboxylate (55 mg, 15%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07163936B2 |
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| Source dataset | uspto-grants-2007_01 |
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| ORD ID | ord-196d99ca7d7b4e0f8c98b092aee7f420 |
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| Source note | uspto-grants-2007_01 |
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