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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1850703Generated: November 4, 2026

Cesium carbonate → HCID 85472925, compound

https://huagongshe.com/reaction/1850703

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant2-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 11155794—
ReactantHCID 90411776HCID 90411776—
CatalystAllyl(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene)chloropalladium(II)HCID 105144—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 85472925HCID 85472925—

Reaction Steps

2-amino-N-(4-bromo-3-methyl-isothiazol-5-yl)-6-fluoro-pyrazolo[1,5-a]pyrimidine-3-carboxamide (50 mg, 0.1078 mmol), trifluoro(morpholinomethyl)boranuide (Potassium Ion (1)) (29.01 mg, 0.1401 mmol), dicesium carbonate (105.4 mg, 0.3234 mmol), palladium(+2) cation diacetate (4.84 mg, 0.02156 mmol), dicyclohexyl-[2-(2,4,6-triisopropylphenyl)phenyl]phosphane (20.56 mg, 0.04312 mmol) in dioxane (4 mL)-water (0.5 mL) was heated at 90° C. for 5 h. The reaction mixture was concentrated in vacuo and the residue was purified by fractionlynx. The clean fractions were freeze dried, yielding 2-amino-6-fluoro-N-(3-methyl-4-(morpholinomethyl)isothiazol-5-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide as a pale yellow solid. (21 mg, 32%). MS (ES+) 392.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08957078B2
Source datasetuspto-grants-2015_02
ORD IDord-f716f370e63b40f19859031804cc8382
Source noteuspto-grants-2015_02