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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 519871Generated: October 29, 2026

1-benzyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-5-amine → N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-5-amine

https://huagongshe.com/reaction/519871

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-benzyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-5-amineHCID 28767951—
CatalystHCID 178418390HCID 178418390—
SolventEthanolHCID 702—
ProductN-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-5-amineHCID 6700969187.2%

Reaction Conditions

Temperature50 °C

Reaction Steps

A mixture of 1-benzyl-N-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-5-amine (3.00 g), palladium-carbon (10 wt %, 2.33 g) and ethanol (100 mL) was stirred under a hydrogen atmosphere at 50° C. and 5 atm for 9 hr. The insoluble material was filtered off, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography to give the title compound as a colorless solid (1.70 g, 87%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115136B2
Source datasetuspto-grants-2015_08
ORD IDord-6955a8c739264a32bbc84b33dbbf54a3
Source noteuspto-grants-2015_08