Polymer compositions containing as antioxidants substituted diam

Details Polymer compositions containing as antioxidants substituted diam Polymer compositions containing as antioxidants substituted diam

1978-06-16

1980-01-08

Hoke, Veronica P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260801, C08K 517

Patent

active

041827058

ABSTRACT:
This invention relates to diamines prepared by condensing cyclohexanone, or derivatives thereof, with ammonia to yield tetrahydropyrimidines, which can be reduced to hexahydropyrimidines, whose pyrimidine ring can be broken to yield diamines having one primary amino group, which primary group can be reacted with a carbonyl to yield Schiff base imines, which Schiff base imines can be reduced to N-substituted amino groups. The two amino groups of the reduced Schiff base can be bridged by reaction with an aldehyde to form N,N'-disubstituted hexahydropyrimidines.
This invention also relates to the use of these products as antioxidants.

REFERENCES:
patent: 3248245 (1966-04-01), Hodge et al.
patent: 3277045 (1966-10-01), Bonivinci
patent: 4009209 (1977-02-01), Thompson

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