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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2228337Generated: October 30, 2026

Diethylenetriamine → HCID 22255949, compound

https://huagongshe.com/reaction/2228337

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethylenetriamineHCID 8111—
Reactant1-Hydroxy-2,2,6,6-tetramethyl-4-oxopiperidineHCID 98642—
ReactantHCID 178418361HCID 178418361—
SolventMethanolHCID 887—
ProductHCID 22255949HCID 22255949—

Reaction Steps

A Parr shaker bottle containing 20.0 g (0.117 mol) 1-oxyl-2,2,6,6-tetramethylpiperidin-4-one, 6.0 g (0.058 mol) diethylenetriamine, 0.5 g 8% Pt/2% Pd on Carbon and 120 mL methanol is pressurized with hydrogen and shaken for 2 hours. The catalyst is removed by filtration and the solution is concentrated to 40 mL. The product is precipitates as a white solid with the addition of 200 mL of ethyl ether: mp 118-124° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06416627B1
Source datasetuspto-grants-2002_07
ORD IDord-e43f3cd0a2c743219de7250a5ff611d6
Source noteuspto-grants-2002_07