Piperidine-triazine compounds for use as stabilizers for organic materials

Claim 1

A compound of formula (I) ##STR37## in which R 1 is hydrogen, C 1 -C 8 alkyl, O, OH, NO, CH 2 CN, C 1 -C 18 alkoxy, C 5 -C 12 cycloalkoxy, C 3 -C 5 alkenyl, C 7 -C 9 phenylalkyl which is unsubstituted or mono-, di- or tri-substituted on the phenyl by C 1 -C 4 alkyl, C 1 -C 8 acyl or C 2 -C 4 alkyl substituted by OH in the 2-, 3- or 4-position, R 2 is a group --OR 5 , --SR 5 or ##STR38## in which R 5 is C 1 -C 18 alkyl, C 3 -C 18 alkyl interrupted by 1, 2 or 3 oxygen atoms, C 2 -C 4 alkyl substituted in the 2-, 3- or 4-position by di-(C 1 -C 4 alkyl)-amino, C 5 -C 12 cycloalkyl which is unsubstituted or mono-, di- or tri-substituted by C 1 -C 4 alkyl, C 3 -C 18 alkenyl, phenyl which is unsubstituted or mono-, di- or tri-substituted by C 1 -C 4 alkyl, C 7 -C 9 phenylalkyl which is uunsubstituted or mono-, di- or tri-substituted on the phenyl by C 1 -C 4 alkyl or a group of the formula (II) ##STR39## where R 8 has any of the definitions of R 1 , R 6 and R 7 which are identical or different are hydrogen, C 1 -C 18 alkyl, C 5 -C 12 cycloalkyl which is unsubstituted or mono-, di- or tri-substituted by C 1 -C 4 alkyl, C 7 -C 9 phenylalkyl which is unsubstituted or mono-, di- or tri-substituted on the phenyl by C 1 -C 4 alkyl, C 2 -C 4 alkyl which is substituted in the 2-, 3- or 4-position by OH, by C 1 -C 8 alkoxy or by di-(C 1 -C 4 alkyl)-amino, C 3 -C 18 alkenyl, tetrahydrofurfuryl or a group of the formula (II), or the group ##STR40## is a 5- to 7-membered heterocyclic group which is 1-pyrrolidyl, 1-piperidyl, 4-morpholinyl, 4-methyl-1-piperazinyl, 1-hexahydroazepinyl, 5,5,7-trimethyl-1-homopiperazinyl or 4,5,5,7-tetramethyl-1-homopiperazinyl, R 3 and R 4 which are identical or different are hydrogen, C 1 -C 18 alkyl, C 5 -C 12 cycloalkyl which is unsubstituted or mono-, di- or tri-substituted by C 1 -C 4 alkyl, C 7 -C 9 phenylalkyl which is unsubstituted or mono-, di- or tri-substituted on the phenyl or C 1 -C 4 alkyl or a group of the formula (II), m and n which are identical or different are integers from 2 to 6 and X is --O--or ##STR41## where R 9 is hydrogen, C 1 -C 18 alkyl, C 5 -C 12 cycloalkyl which is unsubstituted or mono-, di- or tri-substituted by C 1 -C 4 alkyl, C 7 -C 9 phenylalkyl which is unsubstituted or mono-, di- or tri-substituted on the phenyl by C 1 -C 4 alkyl, tetrahydrofurfuryl or a group of the formula (II).