HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cesium carbonate → 2,6-Difluoro-4-(3,3,5-trimethyl-2,4-dioxopyrrolidin-1-yl)benzonitrile
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-Bromo-2,6-difluorobenzonitrile | HCID 2756916 | — |
| Reactant | 3,3,5-Trimethylpyrrolidine-2,4-dione | HCID 55299893 | — |
| Catalyst | Bis(dibenzylideneacetone)palladium | HCID 9811564 | — |
| Product | 2,6-Difluoro-4-(3,3,5-trimethyl-2,4-dioxopyrrolidin-1-yl)benzonitrile | HCID 59556951 | — |
Reaction Steps
Using 4-bromo-2,6-difluorobenzonitrile (502 mg), 3,3,5-trimethylpyrrolidine-2,4-dione (250 mg), cesium carbonate (866 mg), tris(dibenzylideneacetone)dipalladium(0) (162 mg) and 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (205 mg), and in the same manner as in Reference Example 3, the title compound was obtained as a colorless solid (yield: 305 mg, 62%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07834051B2 |
| Source dataset | uspto-grants-2010_11 |
| ORD ID | ord-8bb25d09a11c487aaacbd66da1867118 |
| Source note | uspto-grants-2010_11 |