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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1619391Generated: November 2, 2026

Pyridine → HCID 58574337, compound

https://huagongshe.com/reaction/1619391

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantAcetamidine monohydrochlorideHCID 67170—
ReactantHCID 58574608HCID 58574608—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 58574337HCID 58574337—

Reaction Conditions

Temperature70 °C

Reaction Steps

8-((3-fluorophenyl)ethynyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbonyl chloride was dissolved in 1,4-dioxane (3 mL). To the solution was added acetamidine hydrochloride (18 mg, 0.162 mmol, 1 equiv) and pyridine (2 mL). The reaction mixture was then heated at 70° C. overnight. After it was cooled to room temperature, the reaction mixture was diluted with water and extracted with ethyl acetate (3×50 mL). The combined organic layers were dried over Na2SO4. After filtration and concentration, the residue was purified by preparative TLC to give 2.2 mg of the desired product. MS (ESI): 347 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08772301B2
Source datasetuspto-grants-2014_07
ORD IDord-7235f63eb84e4a908f0d2ccee9a9253d
Source noteuspto-grants-2014_07