Process for making a high molecular weight alkylphenoxy substitu

Details Process for making a high molecular weight alkylphenoxy substitu Process for making a high molecular weight alkylphenoxy substitu

1976-04-26

1977-09-06

Douglas, Winston A.

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

Organic compounds

Carboxylic acid esters

2604105, C09F 508, C09F 710, C07C 6976

Patent

active

040468020

ABSTRACT:
Alkylphenoxy alkanoic esters are made in high yield by reaction of a C.sub.50-200 alkylphenol with a halo-substituted alkanoic ester in the presence of a base. The reaction product contains little unreacted alkylphenol and is converted without separation to a reaction mixture containing mainly alkylphenoxy alkanoic amide by reaction with amines. The amide reaction mixture is an effective ashless dispersant for lubricating oil.

REFERENCES:
patent: 2252666 (1941-08-01), Reiff et al.
patent: 2563872 (1951-08-01), Rust et al.
patent: 3360464 (1967-12-01), Otto

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