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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1841978Generated: October 29, 2026

Hydrochloric Acid → 4-Methylpiperidin-4-ol hydrochloride

https://huagongshe.com/reaction/1841978

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
Reactant1-Boc-4-methyl-piperidin-4-OLHCID 22730812—
SolventDichloromethaneHCID 6344—
Product4-Methylpiperidin-4-ol hydrochlorideHCID 21949295—

Reaction Conditions

Temperature25 °C

Reaction Steps

To a solution of 4-hydroxy-4-methyl-piperidine-1-carboxylic acid tert-butyl ester (1.08 g, 4.87 mmol) in DCM (25 mL) is added 4M HCl in 1,4-dioxane (20 mL, 80 mmol) and the reaction stirred at about 25° C. for 18 hours. The reaction is concentrated, suspended in Et2O and heptane, and filtered to afford the title compound (R) as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08946203B2
Source datasetuspto-grants-2015_02
ORD IDord-918be3427e3e4141b713aa760ad196bf
Source noteuspto-grants-2015_02