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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 626575Generated: October 30, 2026

Cesium carbonate → HCID 90411230, compound

https://huagongshe.com/reaction/626575

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
Reactant2-Chloro-4-((6-nitropyridin-3-yl)oxy)pyridineHCID 59322779—
ReactantHCID 90409521HCID 90409521—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 90411230HCID 9041123097.3%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of Example A1 (0.500 g, 1.987 mmol), (R)-3-(dimethylamino)pyrrolidine-1-carboxamide hydrochloride (0.770 g, 3.97 mmol) and Cs2CO3 (1.295 g, 3.97 mmol) and Xantphos (0.230 g, 0.397 mmol) in dioxane (10 mL) was sparged with Ar, treated with Pd2(dba)3 (0.182 g, 0.199 mmol), sparged again with Ar and heated at 100° C. overnight. The mixture was cooled to RT, treated with THF, the solids removed via filtration, washed with THF and the filtrate concentrated to dryness and purified via silica gel chromatography (MeOH/EtOAc) to afford (R)-3-(dimethylamino)-N-(4-((6-nitropyridin-3-yl)oxy)pyridin-2-yl)pyrrolidine-1-carboxamide (720 mg, 97%). MS (ESI) m/z: 373.1 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09309224B2
Source datasetuspto-grants-2016_04
ORD IDord-21b0f79578c047809f78a1d92d4ef949
Source noteuspto-grants-2016_04