DERIVES DE 2,2,6,6-TETRAMETHYLPYPERIDINE ET PROCEDE DE PREPARATION

DERIVES DE 2,2,6,6-TETRAMETHYLPYPERIDINE ET PROCEDE DE PREPARATION

Derivs. of 2,2,6,6-tetra:methyl-piperidine, used as thermal and light-stabilisers for polymers of general formula (I) and of solid, white crystalline appearance are prepd. by transesterification of phenolic-acid-methyl-esters into corresponding o-benzylates with yl 4 2,2,6,6-tetra:meth-piperidine-ol...

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Hauptverfasser: DRAGUTAN ILEANA,RO, ANDREI CONSTANTIN,RO, DRAGUTAN VALERIAN,RO
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Sprache:fre ; rum
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CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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creator DRAGUTAN ILEANA,RO
ANDREI CONSTANTIN,RO
DRAGUTAN VALERIAN,RO
description Derivs. of 2,2,6,6-tetra:methyl-piperidine, used as thermal and light-stabilisers for polymers of general formula (I) and of solid, white crystalline appearance are prepd. by transesterification of phenolic-acid-methyl-esters into corresponding o-benzylates with yl 4 2,2,6,6-tetra:meth-piperidine-ol followed by hydrogenolysis for the removal of benzyl gps.
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subjects CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
title DERIVES DE 2,2,6,6-TETRAMETHYLPYPERIDINE ET PROCEDE DE PREPARATION
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