Amino compounds and use thereof as antioxidants

Details Amino compounds and use thereof as antioxidants Amino compounds and use thereof as antioxidants

1977-07-15

1978-12-12

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 8740

Patent

active

041295978

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 pyrimidines.
This invention also relates to the use of these products as antioxidants.

REFERENCES:
patent: 3629333 (1971-12-01), Boughton et al.
patent: 3867454 (1975-02-01), Diana et al.
patent: 4009209 (1977-02-01), Leupold et al.

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