HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cesium carbonate → 2-chloro-4-[(2S,3S)-2-ethyl-3-hydroxy-3-methyl-5-oxopyrrolidin-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-chlorobenzonitrile | HCID 7010420 | — |
| Reactant | (4S,5S)-5-ethyl-4-hydroxy-4-methylpyrrolidin-2-one | HCID 55299895 | — |
| Catalyst | Bis(dibenzylideneacetone)palladium | HCID 9811564 | — |
| Product | 2-chloro-4-[(2S,3S)-2-ethyl-3-hydroxy-3-methyl-5-oxopyrrolidin-1-yl]benzonitrile | HCID 59556940 | — |
Reaction Steps
Using 4-bromo-2-chlorobenzonitrile (459 mg), (4S,5S)-5-ethyl-4-hydroxy-4-methylpyrrolidin-2-one (350 mg), 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (180 mg), tris(dibenzylideneacetone)dipalladium(0) (93 mg) and cesium carbonate (929 mg), and in the same manner as in Example 62, the title compound was obtained as colorless crystals (yield: 318 mg, 56%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08420694B2 |
| Source dataset | uspto-grants-2013_04 |
| ORD ID | ord-753cb1dde1bb47fbb2e202b3b955f9a3 |
| Source note | uspto-grants-2013_04 |