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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1426933Generated: November 2, 2026

Hydrochloric Acid → (R)-N-(3-chloropropyl)-5-(2-(5-fluoro-2-oxo-1,2-dihydropyridin-3-yl)pyrrolidin-1-yl)-N-methylpyrazolo[1,5-a]pyrimidine-3-carboxamide

https://huagongshe.com/reaction/1426933

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(R)-N-(3-chloropropyl)-5-(2-(5-fluoro-2-methoxypyridin-3-yl)pyrrolidin-1-yl)-N-methylpyrazolo[1,5-a]pyrimidine-3-carboxamideHCID 67470673—
SolventAcetonitrileHCID 6342—
Product(R)-N-(3-chloropropyl)-5-(2-(5-fluoro-2-oxo-1,2-dihydropyridin-3-yl)pyrrolidin-1-yl)-N-methylpyrazolo[1,5-a]pyrimidine-3-carboxamideHCID 67470639150%

Reaction Conditions

Temperature90 °C

Reaction Steps

A mixture of HCl (4 N dioxane, 4 mL, 16.0 mmol) and (R)-N-(3-chloropropyl)-5-(2-(5-fluoro-2-methoxypyridin-3-yl)pyrrolidin-1-yl)-N-methylpyrazolo[1,5-a]pyrimidine-3-carboxamide (100 mg, 0.224 mmol) was sealed in a pressure tube and heated at 90° C. for 90 minutes. The reaction mixture was then diluted with acetonitrile and concentrated to yield the crude product, which was carried to the next step without further purification (145 mg, 150% yield). MS (apci) m/z=433.0 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08933084B2
Source datasetuspto-grants-2015_01
ORD IDord-31017785c4ea47febdb8ff02f667690d
Source noteuspto-grants-2015_01