HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cesium carbonate → 1-(4-Chloro-7-fluoro-3-methylquinolin-2-yl)-4,4-dimethylpyrrolidin-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | 1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine) | HCID 636044 | — |
| Reactant | 4,4-Dimethyl-2-pyrrolidinone | HCID 637593 | — |
| Reactant | 2,4-Dichloro-7-fluoro-3-methylquinoline | HCID 59631108 | — |
| Catalyst | Bis(dibenzylideneacetone)palladium | HCID 9811564 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | 1-(4-Chloro-7-fluoro-3-methylquinolin-2-yl)-4,4-dimethylpyrrolidin-2-one | HCID 59631340 | — |
Reaction Steps
Prepared according to Procedure F using 2,4-dichloro-7-fluoro-3-methylquinoline (0.300 g, 1.304 mmol), 4,4-dimethyl-2-pyrrolidinone (0.162 mL, 1.434 mmol), cesium carbonate (0.600 g, 1.826 mmol), tris(dibenzylideneacetone)dipalladium (0) (0.060 g, 0.065 mmol), XantPhos (0.113 g, 0.196 mmol), and dioxane (2.6 mL). Purification by column chromatography (silica; 0-20% EtOAc in hexanes) afforded 1-(4-chloro-7-fluoro-3-methylquinolin-2-yl)-4,4-dimethylpyrrolidin-2-one as a white amorphous solid. Mass Spectrum (ESI) m/e=307.0 (M+1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08940724B2 |
| Source dataset | uspto-grants-2015_01 |
| ORD ID | ord-31775dea529341c0a1187062f74520f7 |
| Source note | uspto-grants-2015_01 |