Process for the preparation of 2,5-di(phenylamino)-terephthalic

Details Process for the preparation of 2,5-di(phenylamino)-terephthalic Process for the preparation of 2,5-di(phenylamino)-terephthalic

1992-06-11

1993-05-04

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

562457, C07C22900

Patent

active

052083659

ABSTRACT:
A process for the preparation of 2,5-di(phenylamino)terephthalic acid and its dialkyl esters of formula (I): ##STR1## in which R is a hydrogen atom or a methyl group and R' is a hydrogen atom or a methyl or ethyl group.

REFERENCES:
patent: 3124581 (1964-03-01), Bohler et al.
patent: 3413313 (1968-11-01), Scherrer
patent: 3413339 (1968-11-01), Scherrer

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