Bis-(alkylphenyl)-alkanecarboxylic acid hydrazides, their prepar

Details Bis-(alkylphenyl)-alkanecarboxylic acid hydrazides, their prepar Bis-(alkylphenyl)-alkanecarboxylic acid hydrazides, their prepar

1978-03-13

1979-07-24

Hoke, Veronica P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252404, 260559D, 260923, C08K 551, C08K 549, C08K 525, C07C10322, C07F 902

Patent

active

041622472

ABSTRACT:
Bis-(alkylphenol)-alkanecarboxylic acid hydrazides are obtained by reaction of bisphenol-alkanecarboxylic acid chlorides, azides, anhydrides or esters with hydrazine hydrate, at a temperature of from 5 to 200.degree. C. These hydrazides are excellent stabilizers for plastic materials, especially polyolefins.

REFERENCES:
patent: 2893965 (1959-07-01), Greenlee
patent: 3247240 (1966-04-01), Meier et al.
patent: 3285855 (1966-11-01), Dexter et al.
patent: 3427345 (1969-02-01), Holmen
patent: 3455875 (1969-07-01), Mauz et al.
patent: 3660438 (1972-05-01), Dexter
patent: 3956427 (1976-05-01), Schmidt

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