Process for preparing N-methoxy derivatives of 4-hydroxy-2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidone

Process for preparing N-methoxy derivatives of 4-hydroxy-2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidone

N-Methoxy derivatives of the sterically hindered amines 4-hydroxy-2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidone are prepared from the corresponding N-oxyl hindered amine by combining hydrogen peroxide and a peroxide-decomposing transition metal salt in the presence of dimethyl s...

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Bibliographische Detailangaben
1. Verfasser: GALBO, JAMES PETER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:N-Methoxy derivatives of the sterically hindered amines 4-hydroxy-2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidone are prepared from the corresponding N-oxyl hindered amine by combining hydrogen peroxide and a peroxide-decomposing transition metal salt in the presence of dimethyl sulfoxide.