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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1967396Generated: October 30, 2026

Cesium carbonate → 4-[(2S,3S)-2-ethyl-3-hydroxy-3-methyl-5-oxopyrrolidin-1-yl]-2-(trifluoromethyl)benzonitrile

https://huagongshe.com/reaction/1967396

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
Reactant4-Iodo-2-(trifluoromethyl)benzonitrileHCID 16218337—
Reactant(4S,5S)-5-ethyl-4-hydroxy-4-methylpyrrolidin-2-oneHCID 55299895—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Product4-[(2S,3S)-2-ethyl-3-hydroxy-3-methyl-5-oxopyrrolidin-1-yl]-2-(trifluoromethyl)benzonitrileHCID 59556893—

Reaction Steps

Using 4-iodo-2-(trifluoromethyl)benzonitrile (605 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 a white powder (yield: 422 mg, 66%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08420694B2
Source datasetuspto-grants-2013_04
ORD IDord-f558ab8959de4c288bfcf80264fc1e59
Source noteuspto-grants-2013_04