Metal complexes of α-aminophosphonic acid half-esters and of α-a

Claim 2

A compound of the formula ##STR28## wherein R 1 and R 2 independently of one another represent hydrogen, alkyl, aralkyl, aryl or aryl wherein said or aralkyl which are substituted by chlorine and/or alkyl groups and/or alkoxy groups, or R 1 and R 2 , conjointly with the C atom to which they are linked, form a cycloalkane ring, R 3 and R 4 independently of one another denote hydrogen, alkyl, alkoxyalkyl, cycloalkyl, aralkyl or aralkyl substituted by chlorine and/or alkyl groups and/or alkoxy groups, and, if none or only one of the substituents R 1 and R 2 represents an aromatic radical, R 3 and R 4 can also be aryl or an aryl radical substituted by chlorine and/or alkyl groups and/or alkoxy groups, R 5 denotes alkyl, cycloalkyl, aralkyl, aryl, alkoxy, cycloalkoxy, aralkoxy or aryloxy, or wherein the aromatic radical is substituted by chlorine and/or alkyl groups and/or alkoxy groups, L - denotes the monovalent anion of a carboxylic acid, A + denotes the cation of an alkali metal, n denotes an integer from 1 to 4, m denotes an integer from 1 to 3 or zero, w denotes an integer from 2 to 4, and p denotes a value from zero to 2, provided that, when m is zero the value of (m+n-w) is zero.

Claim 3

Compounds according to claim 1, characterised in that, R 1 and R 2 independently of one another represent hydrogen, alkyl having 1 to 12 C atoms, aralkyl having 7 to 11 C atoms, or aryl having 6 to 12 C atoms, or wherein the aromatic ring is monosubstituted or disubstituted by chlorine and/or methyl groups and/or alkoxy groups having 1 to 8 C atoms, or R 1 and R 2 , conjointly with the C atom to which they are linked, form a cyclopentane or cyclohexane ring, R 3 and R 4 independently of one another denote hydrogen, alkyl having 1 to 12 C atoms, cycloalkyl having 5 or 6 C atoms, or an aralkyl radical which has 7 to 13 C atoms and which can be monosubstituted or disubstituted by chlorine and/or methyl groups and/or alkoxy groups having 1 to 8 C atoms, or, if none or only one of the substituents R 1 and R.sub. 2 represents an aromatic radical, R 3 or R 4 can also denote an aryl radical which can be monosubstituted or disubsituted by chlorine and/or alkyl groups having 1 to 4 C atoms and/or alkoxy groups having 1 to 8 C atoms, R 5 represents alkyl having 1 to 8 C atoms, cycloalkyl having 5 or 6 C atoms, aralkyl having 7 to 15 C atoms, or aryl having 6 to 12 C atoms, or wherein the aromatic ring is monosubstituted or disubstituted by chlorine and/or methyl groups and/or alkoxy groups having 1 to 8 C atoms, or R 5 denotes an alkoxy radical having 1 to 8 C atoms, the cyclohexexy radical, the benzoxy radical, the phenoxy radical or a phenoxy radical which is monosubstituted or disubstituted by chlorine or methyl groups, L - denotes the monovalent anion of an aliphatic carboxylic acid having 1 to 18 C atoms, or of cyclohexacarboxylic acid or of an araliphatic carboxylic acid having 8 to 12 C atoms or of an aromatic carboxylic acid which has 7 to 11 C atoms and which can be substituted by 1 to 2 alkyl radicals having 1 to 4 C atoms and/or by a hydroxy group, M +w represents a cation from the series of cations Zn +2 , Al +3 , Co +2 or Ni 2 , and n denotes an integer from 1 to 3, m denotes the number 1 or 2 or zero, and w denotes the number 2 or 3.

Claim 4

Compounds according to claim 2, wherein m denotes the number 1 or zero, n denotes the number 1 or 2, and w denotes the number 2.

Claim 5

Compounds according to claim 1, wherein R 1 and R 2 independently of one another denote hydrogen, alkyl having 1 to 8 C atoms, benzyl, phenyl or a phenyl radical substituted by a methyl or methoxy group, or wherein R 1 and R 2 , conjointly with the C atom to which they are linked, form a cyclohexane ring, R 3 and R 4 independently of one another denote hydrogen, alkyl having 1 to 8 C atoms, cyclohexyl or an aralkyl radical which has 7 to 11 C atoms and which can be monosubstituted by methyl, chlorine or alkoxy groups having 1 to 4 C atoms, or, if none or only one of the substituents R 1 and R 2 represents an aromatic radical. R 3 or R 4 can also denote a phenyl radical which can be monosubstituted or disubstituted by chlorine and/or alkyl groups having 1 to 4 C atoms and/or alkoxy groups having 1 to 4 C atoms, R 5 denotes alkyl having 1 to 8 C atoms, cyclohexyl, aralkyl having 7 to 11 C atoms, an aryl radical which has 6 to 10 C atoms and which can be monosubstituted by Cl, CH 3 or CH 3 O, an alkoxy radical having 1 to 4 C atoms, the benzoxy radical, the phenoxy radical, a chlorophenoxy radical or a tolyloxy radical, L - represents the anion of acetic acid, 2-ethylcaproic acid, lauric acid, oleic acid, stearic acid, phenylacetic acid, benzoic acid, 4-hdyroxy-3,5-di-tert.butylbenzoic acid or naphthoic acid, n denotes an integer from 1 to 3, m denotes the number 1 or 2 or zero, and w denotes the number 2 or 3.

Claim 6

Compounds according to claim 4, wherein n is the number 1 or 2, m is the number 1 or zero, and w is the number 2.

Claim 7

Compounds according to claim 1, wherein R 1 denotes hydrogen, alkyl having 1 to 6 C atoms, phenyl or 4-methoxyphenyl, R 2 denotes hydrogen or methyl, R 3 denotes hydrogen, alkyl having 2 to 8 C atoms, cyclohexyl or benzyl, R 4 denotes hydrogen, alkyl having 2 to 8 C atoms, cyclohexyl, phenyl, 4-methoxyphenyl or 2-methoxy-5-tert.butylphenyl, R 5 denotes alkyl having 1 to 4 C atoms, phenyl, 4-tolyl, 4-methoxyphenyl or an alkoxy radical having 1 to 4 C atoms, L - denotes the anion of acetic acid, 2-ethylcaproic acid, lauric acid, stearic acid or 4-hydroxy-3,5-di-tert.butylbenzoic acid, A + denotes the cation Na + or K + , n denotes the number 1 or 2, m denotes the number 1 or 2 or zero, and w denotes the number 2.

Claim 8

The compound of claim 1 of the formula [(C 2 H 5 ) 2 N--CH 2 --P(O)(OC.sub. 4 H 9 )O].sub. 2 Ni. H 2 O.

Claim 9

The compound of claim 1 of the formula ##STR29##

Claim 10

The compound of claim 1 of the formula ##STR30##

Claim 11

The compound of claim 1 of the formula ##STR31##

Claim 12

A composition stabilized against UV light degradation comprising a polymeric material normally subject to UV light degradation and from 0.01 to 5% by weight of a compound according to claim 1.

Claim 13

A composition stabilized against UV light degradation comprising a polymer material normality subject to UV light degradation and from 0.0125% by weight of a compound according to any one of claim 1.

Claim 14

Composition of matter according to claim 11, characterised in that the polymer is a polyolefine.

Claim 15

Composition of matter according to claim 13, characterized in that the polymer is polypropylene or propylene copolymer selected from the group consisting of ethylene, propylene, propylene-butene-1, and ethylene-propylene-diene.