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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 864501Generated: October 30, 2026

p-Toluenesulfonic acid → HCID 57094954, compound

https://huagongshe.com/reaction/864501

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant4-PyridinepropanolHCID 72923—
CatalystAdams' catalystHCID 345198—
SolventEthanolHCID 702—
ProductHCID 57094954HCID 57094954112.1%

Reaction Steps

To a solution of 3-(4-pyridyl)propan-1-ol (15.13 g, 0.1103 mol) in EtOH (100 mL) was added p-TsOH (20.98 g, 0.1103 mol) and PtO2 (1.5 g, 6.6 mmol). The resulting mixture was placed on a Parr apparatus and hydrogenated at 55 p.s.i. After 6 hr, the mixture was filtered (EtOH wash) and the filtrate concentrated in vacuo, giving 36.78 g (>100%) of the desired piperidine; 1H NMR (300 MHz, CDCl3) δ 7.7 (d, 2H), 7.2 (d, 2H), 3.55 (t, 2H), 3.3 (m, 4H), 2.95 (bt, 2H), 2.38 (s, 3H), 1.95 (bd, 2H), 1.58 (m, 2H), 1.3 (m, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05563158
Source datasetuspto-grants-1996_10
ORD IDord-d97e6dacc3f846b2b33a72cacd8bd6a5
Source noteuspto-grants-1996_10