HuagongsheHuagongshe Chemistry Print Report · For research reference only
Pivaloyl chloride → N-(5-Fluoropyridin-3-yl)-2,2-dimethylpropanamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Pivaloyl chloride | HCID 62493 | — |
| Reactant | 5-Fluoro-3-pyridinamine | HCID 574450 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | N-(5-Fluoropyridin-3-yl)-2,2-dimethylpropanamide | HCID 86726332 | 97.5% |
Reaction Steps
Pivaloyl chloride (18.8 mL, 153 mmol) was added to a solution of 3-amino-5-fluoropyridine (13.2 g, 118 mmol) and TEA (49.2 mL, 353 mmol) in Dichloromethane (235 mL) at 0° C. The reaction was warmed to ambient temperature and stirred for 1 hour. The reaction was quenched with saturated aqueous NaHCO3 and the mixture was extracted with dichloromethane (×3). The combined organic fractions were dried (MgSO4), filtered and the solvent was evaporated under reduced pressure to afford the title compound (22.5 g, 115 mmol, 97% yield) as a light brown solid, MS (ESI): m/z=197.35 (MH+), 100% pure by LCMS.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09315475B2 |
| Source dataset | uspto-grants-2016_04 |
| ORD ID | ord-81d49703a2ee42da895a47006fdaaf45 |
| Source note | uspto-grants-2016_04 |