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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 64004Generated: October 29, 2026

Hydrochloric Acid → Hydrochloric Acid

https://huagongshe.com/reaction/64004

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(S)-tert-butyl 4-(5-((R)-2-(2-chloro-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-ylcarbamoyl)-2-methylpiperazine-1-carboxylateHCID 46188930—
ProductHydrochloric AcidHCID 313—
Product(S)-N-(5-((R)-2-(2-chloro-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-methylpiperazine-1-carboxamide hydrochlorideHCID 67329857—

Reaction Steps

To (S)-tert-butyl 4-(5-((R)-2-(2-chloro-5-fluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-ylcarbamoyl)-2-methylpiperazine-1-carboxylate (Example 24; 47 mg, 0.084 mmol), was added 1 mL 4 N HCl (dioxane) solution and stirred at ambient temperature for 10 minutes. The reaction was concentrated, treated with ether, and filtered, giving the final product HCl salt as a fine beige powder. MS (apci) m/z=458.1 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09447104B2
Source datasetuspto-grants-2016_09
ORD IDord-005464fbe477441cbd5a28e6525bf831
Source noteuspto-grants-2016_09