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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1173556Generated: October 27, 2026

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

https://huagongshe.com/reaction/1173556

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-methoxybenzonitrileHCID 50879192—
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-methoxybenzonitrileHCID 59556897—

Reaction Steps

Using 4-iodo-2-methoxybenzonitrile (459 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 colorless solid (yield: 300 mg, 65%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07834051B2
Source datasetuspto-grants-2010_11
ORD IDord-e8cc6e5065844cbca5ec76842342737f
Source noteuspto-grants-2010_11