N-alkenyl substituted amine-N-oxide stabilizers

Details N-alkenyl substituted amine-N-oxide stabilizers N-alkenyl substituted amine-N-oxide stabilizers

1990-04-24

1992-01-14

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564299, 252 515A, C07C 2902

Patent

active

050813005

ABSTRACT:
N-substituted hydroxylamines of formula I ##STR1## where R.sub.1 and R.sub.2 are independently hydrogen, alkyl, alkenyl, aryl or phenylalkyl, and R.sub.3 to R.sub.7 are independently hydrogen, alkyl or substituted alkyl are very effective process stabilizers for polymeric systems providing melt flow stabilization and resistance to discoloration during processing at elevated temperatures as well as effective stabilizers for lubricant compositions.

REFERENCES:
patent: 2871229 (1959-01-01), Price
patent: 4029658 (1977-06-01), Samour
A. C. Cope et al., J. Am. Chem. Soc., 71, 3423 (1949).
R. F. Kleinschmidt et al., J. Am. Chem. Soc., 66, 1929 (1944).
S. Inoue et al., Chem. Letters, 1986, 2035
M. Moriwaki (=Y. Inouye) et al., J. Org. Chem., 41, 300 (1976).
Yamamoto et al., J. Org. Chem. 41,303 (1976).

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