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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1173720Generated: November 2, 2026

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

https://huagongshe.com/reaction/1173720

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)-4-hydroxy-4,5-dimethylpyrrolidin-2-oneHCID 55299894—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Product4-[(2S,3S)-3-hydroxy-2,3-dimethyl-5-oxopyrrolidin-1-yl]-2-(trifluoromethyl)benzonitrileHCID 59557000—

Reaction Steps

Using 4-iodo-2-(trifluoromethyl)benzonitrile (958 mg), (4S,5S)-4-hydroxy-4,5-dimethylpyrrolidin-2-one (500 mg), 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (286 mg), tris(dibenzylideneacetone)dipalladium(0) (148 mg) and cesium carbonate (1.55 g), and in the same manner as in Example 62, the title compound was obtained as colorless crystals (yield: 508 mg, 52%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07834051B2
Source datasetuspto-grants-2010_11
ORD IDord-7ad440b3bcb848faabba7c917436c112
Source noteuspto-grants-2010_11