PIPERIDYL-AMINOACID DERIVATIVE AND STABILIZER FOR HIGH POLYMER MATERIAL

NEW MATERIAL:A piperidyl-amino acid derivative expressed by formula I (R1 and R2 represent H, alkyl, acyl or aralkyl; R3 represents H, alkyl, alkoxyalkyl, benzyl, aminoalkyl, etc.; A is O or imino; n is 2-4; R4 represents O, S, alkylene, etc., when n is 2, alkanetriyl, etc., when n is 3 and alkanete...

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Hauptverfasser:	TODA SHUKUMASA, KURUMADA TOMOYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	NEW MATERIAL:A piperidyl-amino acid derivative expressed by formula I (R1 and R2 represent H, alkyl, acyl or aralkyl; R3 represents H, alkyl, alkoxyalkyl, benzyl, aminoalkyl, etc.; A is O or imino; n is 2-4; R4 represents O, S, alkylene, etc., when n is 2, alkanetriyl, etc., when n is 3 and alkanetetrayl when n is 4) or acid addition salt thereof. EXAMPLE:1,1,1-Trimethylolpropane tris[N-methyl-N-(1,2,2,6,6-pentamethyl-4- piperidyl)]glycinate. USE:A stabilizer for high polymer materials. PREPARATION:An amino acid ester expressed by formula II is reacted with an alcohol or amine expressed by formula III to obtain the compound expressed by formula I.