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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1173557Generated: October 27, 2026

Cesium carbonate → 4-(5-Ethyl-3,3-dimethyl-2,4-dioxopyrrolidin-1-yl)-2-(trifluoromethyl)benzonitrile

https://huagongshe.com/reaction/1173557

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—
Reactant5-Ethyl-3,3-dimethylpyrrolidine-2,4-dioneHCID 59557027—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Product4-(5-Ethyl-3,3-dimethyl-2,4-dioxopyrrolidin-1-yl)-2-(trifluoromethyl)benzonitrileHCID 59557005—

Reaction Steps

Using 4-iodo-2-(trifluoromethyl)benzonitrile (526 mg), 5-ethyl-3,3-dimethylpyrrolidine-2,4-dione (250 mg), cesium carbonate (787 mg), tris(dibenzylideneacetone)dipalladium(0) (148 mg) and 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (186 mg), and in the same manner as in Reference Example 3, the title compound was obtained as a pale-yellow oil (yield: 298 mg, 57%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07834051B2
Source datasetuspto-grants-2010_11
ORD IDord-247c49795ad041e091f74bfa91b35362
Source noteuspto-grants-2010_11