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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1045951Generated: October 26, 2026

Cesium carbonate → 2-(2-(1,3-dimethyl-1H-pyrazol-5-ylamino)-5-(trifluoromethyl)pyridin-4-ylamino)-6-methoxy-N-methylbenzamide

https://huagongshe.com/reaction/1045951

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant1,3-Dimethyl-1H-pyrazol-5-amineHCID 520721—
Reactant1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 636044—
Reactant2-(2-Chloro-5-(trifluoromethyl)pyridin-4-ylamino)-6-methoxy-N-methylbenzamideHCID 86655144—
Catalystpalladium(II) acetateHCID 167845—
Solvent1,4-DioxaneHCID 31275—
Product2-(2-(1,3-dimethyl-1H-pyrazol-5-ylamino)-5-(trifluoromethyl)pyridin-4-ylamino)-6-methoxy-N-methylbenzamideHCID 5695129132%

Reaction Conditions

Temperature90 °C

Reaction Steps

2-(2-Chloro-5-(trifluoromethyl)pyridin-4-ylamino)-6-methoxy-N-methylbenzamide (305 mg, 0.85 mmol), 1,3-dimethylpyrazol-5-amine (94 mg, 0.85 mmol), palladium(II) acetate (15.23 mg, 0.07 mmol), 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene (78 mg, 0.14 mmol) and cesium carbonate (331 mg, 1.02 mmol) were mixed together in dioxane (6 mL). The reaction mixture was degassed with argon and was stirred at 90° C. for 8 hours under argon. After cooling, the reaction mixture was filtered and washed with DCM. The filtrate was concentrated to dryness and was purified by flash chromatography on silica gel eluting with 1 to 5% MeOH in DCM. The solvent was evaporated to dryness to afford the title compound (118 mg, 32%) as a pale beige-pink solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08569298B2
Source datasetuspto-grants-2013_10
ORD IDord-f2346c0f751343a0b04cde8b102f620b
Source noteuspto-grants-2013_10