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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 595813Generated: October 29, 2026

5-(3,6-dihydro-2H-thiopyran-4-yl)pyridin-2-amine → 5-(tetrahydro-2H-thiopyran-4-yl)pyridin-2-amine

https://huagongshe.com/reaction/595813

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(3,6-dihydro-2H-thiopyran-4-yl)pyridin-2-amineHCID 118045645—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
SolventDichloromethaneHCID 6344—
Product5-(tetrahydro-2H-thiopyran-4-yl)pyridin-2-amineHCID 11804565291.5%

Reaction Steps

A suspension of 5-(3,6-dihydro-2H-thiopyran-4-yl)pyridin-2-amine (260 mg, 1.35 mmol), Pd/C (36 mg, 0.33 mmol) in methanol (16 mL) was stirred under hydrogen at ambient temperature for 16 h. The reaction mixture was diluted with DCM (80 mL), and was filtered through Celite. The filtrate was concentrated to give 5-(tetrahydro-2H-thiopyran-4-yl)pyridin-2-amine (240 mg, 91% yield) as yellow color solid. LCMS (m/z): 195 (MH+), 0.46 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09242996B2
Source datasetuspto-grants-2016_01
ORD IDord-4a23599ccaad4baab79178c67865d0b2
Source noteuspto-grants-2016_01