HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 1-Methyl-1H-pyrrolo[2,3-B]pyridine-5-carbonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile | HCID 11788355 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 1-Methyl-1H-pyrrolo[2,3-B]pyridine-5-carbonitrile | HCID 49758893 | 100% |
Reaction Steps
To a stirred solution of 1H-Pyrrolo[2,3-b]pyridine-5-carbonitrile (2.88 g, 20.1 mmol) in DMF (40 mL) was added 60% NaH (2.41 g, 60.4 mmol). After 20 minutes, iodomethane was added in one portion (6.3 mL, 101 mmol) and the resulting mixture was stirred overnight. The following day, water was carefully added drop-wise to quench the remaining NaH before additional water was added (50 mL) causing precipitation of the product. Filtration and drying in vacuo afforded 1-methyl-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile (3.16 g, 20.1 mmol, 100% yield) which was subsequently used without further purification. ES MS (M+H+)=158.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08530483B2 |
| Source dataset | uspto-grants-2013_09 |
| ORD ID | ord-4c76bac121d84719845ec22f57e7a228 |
| Source note | uspto-grants-2013_09 |