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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 537783Generated: October 29, 2026

Hydrochloric Acid → Hydrochloric Acid

https://huagongshe.com/reaction/537783

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 58386282HCID 58386282—
ProductHydrochloric AcidHCID 313—
Product(S)-N-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-methylpiperazine-1-carboxamide hydrochlorideHCID 67330610—

Reaction Steps

To (S)-tert-butyl 4-(5-((R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-ylcarbamoyl)-2-methylpiperazine-1-carboxylate (Example 30; 47 mg, 0.087 mmol), was added 1 mL 4 N HCl (dioxane) solution and stirred at ambient temperature for 1 hour. The reaction was concentrated, treated with ether, and filtered, giving the final product HCl salt as a fine yellowish powder. MS (apci) m/z=442.2 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08865698B2
Source datasetuspto-grants-2014_10
ORD IDord-c54e7c735238485c97d81fa675e4ddfd
Source noteuspto-grants-2014_10