Polyamine derivative and polyol derivative
A novel polyamine derivative, or polyol derivative, having a piperidylaminotriazine skeleton; salts of such compounds; a process for producing them; an organic material stabilizer comprising any of such compounds; a method of stabilizing an organic material; and a stabilized organic material. Compounds of the general formula: (1) (wherein X is N(R 4 ) or an oxygen atom; R 1 is an n-valent hydrocarbon group; R 2 is a hydrogen atom or an alkyl; R 3 is a hydrogen atom, an alkyl, an alkoxy or an acyl; R 4 is a hydrogen atom or an alkyl; and n is an integer of 3 to 16) are effective in the stabilization of an organic material against deterioration by light, heat, oxygen, ozone and electromagnetic waves, such as X-rays and γ-rays.
1. A compound of formula (1)
or a salt thereof,
wherein
X represents N(R 4 ) or an oxygen atom,
R 1 is a group of formula (2-1),
Y is CH or a nitrogen atom,
a, b and c each independently are an integer of from 1 to 6,
provided that R 4 may not be
R 2 represents a hydrogen atom or an alkyl group having from 1 to 9 carbon atoms,
R 3 represents a hydrogen atom, an alkyl group having from 1 to 9 carbon atoms, an alkoxy group having from 1 to 9 carbon atoms or an acyl group having from 2 to 9 carbon atoms,
R 4 represents a hydrogen atom or an alkyl group having from 1 to 9 carbon atoms and
n is 3.
2. A compound or its salt according to claim 1 wherein X is N(R 4 ).
3. A compound or its salt according to claim 1 where X is an oxygen atom.
4. A compound or its salt according to claim 1 wherein R 3 is a hydrogen atom or a methyl group.
5. A process to prepare a compound of formula (1) according to claim 1
which process comprises coupling a compound of formula (6-1)
with a compound of formula (6-2)
R 1 —(XH) n (6-2)
where Z is a halogen atom and the other groups are defined as in claim 1 .
6. A method for stabilizing an organic material relative to deterioration by light, heat, oxygen, ozone and/or an electromagnetic wave, comprising adding to the organic material a compound according to claim 1 or a salt thereof in an amount of from 0.001 to 15 parts by weight, relative to 100 parts by weight of the organic material.
7. An organic material composition in which at least one of the compounds of formula (1) according to claim 1 or at least one salt thereof are present in an amount of from 0.001 to 15 parts by weight, relative to 100 parts by weight of the organic material.
8. A compound according to claim 1 of formulae (5-1) to (5-7), (5-31) or (5-32)