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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 407951Generated: October 30, 2026

Hydrochloric Acid → (S)-3-(4-(5-methyl-1H-tetrazol-1-yl)phenoxy)-1-(piperidin-4-yl)pyrrolidin-2-one hydrochloride salt

https://huagongshe.com/reaction/407951

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl-4-(3-(4-(5-methyl-1H-tetrazol-1-yl)phenoxy)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylateHCID 86688101—
SolventDichloromethaneHCID 6344—
Solvent1,4-DioxaneHCID 31275—
Product(S)-3-(4-(5-methyl-1H-tetrazol-1-yl)phenoxy)-1-(piperidin-4-yl)pyrrolidin-2-one hydrochloride saltHCID 6747053094%

Reaction Steps

To a solution of tert-butyl-4-(3-(4-(5-methyl-1H-tetrazol-1-yl)phenoxy)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate (621 mg, 1.4 mmol) in DCM (15 mL) was added excess 4N HCl in dioxane (5 mL). The reaction was stirred for 4 hours and then concentrated in vacuo to yield (S)-3-(4-(5-methyl-1H-tetrazol-1-yl)phenoxy)-1-(piperidin-4-yl)pyrrolidin-2-one hydrochloride salt (501 mg, 94%) as an off white solid, which was used without any further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08754226B2
Source datasetuspto-grants-2014_06
ORD IDord-7a3839bf94fe40818d0710eb822da421
Source noteuspto-grants-2014_06