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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2067113Generated: October 27, 2026

Hydrochloric Acid → (Tetrahydro-2H-pyran-3-yl)hydrazine hydrochloride

https://huagongshe.com/reaction/2067113

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl AcetateHCID 8857—
Reactanttert-Butyl 2-(tetrahydro-2H-pyran-3-yl)hydrazinecarboxylateHCID 66745297—
SolventDichloromethaneHCID 6344—
Product(Tetrahydro-2H-pyran-3-yl)hydrazine hydrochlorideHCID 66744316—

Reaction Steps

(±)-tert-Butyl 2-(tetrahydro-2H-pyran-3-yl)hydrazinecarboxylate (216 mg, 1.00 mmol) was dissolved in dichloromethane (10 mL) and ethyl acetate (10 mL) and cooled to 0° C. The mixture was saturated with gaseous hydrogen chloride, warmed to ambient temperature and stirred for 1 hour. The mixture was concentrated in vacuo and the residue was concentrated with toluene (2×20 mL) to afford the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08293744B2
Source datasetuspto-grants-2012_10
ORD IDord-10119f9c75114a698d98f03937e9b015
Source noteuspto-grants-2012_10