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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 921740Generated: October 30, 2026

Cesium carbonate → HCID 131732400, compound

https://huagongshe.com/reaction/921740

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
ReactantHCID 86708602HCID 86708602—
ReactantHCID 131732401HCID 131732401—
Catalystpalladium(II) acetateHCID 167845—
CatalystFerrocene-1,1'-bis-(diphenylphosphine)HCID 635956—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 131732400HCID 13173240066.9%

Reaction Conditions

Temperature100 °C

Reaction Steps

2-chloro-4-(ethyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazine-7-carbonitrile (Intermediate 7)(50 mg, 0.146 mmol), methyl ((3R,4R)-1-(3-amino-5-cyano-2-fluorophenyl)-3-hydroxypiperidin-4-yl)carbamate (46 mg, 0.149 mmol), DPPF (5.66 mg, 10.21 μmol), Cs2CO3 (81 mg, 0.248 mmol), Xantphos (8.44 mg, 0.015 mmol), Palladium(II)Acetate (9.82 mg, 0.044 mmol) and 1,4-dioxane (2 ml) were combined in a microwave vial. The vial was evacuated and backfilled with Nitrogen 3×. The reaction stirred at 100° C. for 3 hr. The reaction mixture cooled to 25° C., diluted with EtOAc and washed with brine and dried (Na2SO4). The solvents were removed and the material purified on silica gel 25% EtOAc in DCM to afford methyl ((3R,4R)-1-(5-cyano-3-((7-cyano-4-(ethyl(4-methoxybenzyl)amino)imidazo[2,1-f][1,2,4]triazin-2-yl)amino)-2-fluorophenyl)-3-hydroxypiperidin-4-yl)carbamate (60 mg)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09273057B2
Source datasetuspto-grants-2016_03
ORD IDord-cb86e7b51efe433cbe02b3a63d5ae8e1
Source noteuspto-grants-2016_03